Best Time to Visit

There is no bad time to visit the Costa Verde, only different times, and the trip you get depends a good deal on the month you choose. This coast runs on two seasons rather than four: a warm, wet half of the year when the forest is loud and green and the waterfalls run hard, and a cooler, drier half when the air clears, the views open up, and the walking is at its best. This guide takes the year apart month by month — the weather on the coast and up on the mountain, the state of the seven waterfalls, the whales and turtles offshore, the birding, the crowds, and the festivals — so you can pick your dates with your eyes open and land on the trip you actually want.

Wet and hot

roughly November to March

Dry and cooler

roughly April to September

Fullest waterfalls

wet season and just after

Best hiking and clearest views

winter, June to August

Humpbacks passing offshore

roughly July to November

Sea-turtle season

roughly September to March

Busiest and dearest

New Year, Carnival, July holidays, FLIP

Mountain rule

always cooler and wetter than the coast

Two seasons, not four

The Costa Verde has a humid subtropical-to-tropical climate, and like most of coastal southeastern Brazil it divides the year into a wet season and a dry season rather than the four seasons of the northern hemisphere. Keep in mind that the seasons here are flipped: this is the southern hemisphere, so the hot, rainy summer falls over the Christmas and New Year holidays, and the cool, dry winter falls in the middle of the calendar year. Roughly speaking, November through March is the warm, wet half, and April through September is the drier, cooler half, with the shoulder weeks on either side often the most pleasant of all.

The wet season is genuinely wet. It is also, crucially, the reason the Atlantic Forest here is one of the greenest and most biodiverse places on earth. The rain tends to come as heavy, dramatic afternoon and evening downpours — the sky builds through a hot, sticky day and then breaks — rather than as constant grey drizzle, so even in the height of summer you often get bright mornings before the storms roll in. The dry season is not bone-dry, but it is markedly less humid, the days are clearer, and long stretches can pass with barely a shower. This is the pattern to hold in your head; everything else on this page hangs off it.

One more thing to understand before we get into months: the reserve is up in the Serra do Mar, and the mountain makes its own weather. It is reliably cooler and wetter up top than down at the coast, sometimes dramatically so. It can be hot and bright in Paraty while the ridge is wrapped in cool cloud, and rain that never reaches the town can be falling steadily in the forest above it. That is a feature, not a fault — the mist and the rain are what keep the streams full and the forest lush — but it means the coastal forecast is only ever half the story for anyone staying with us. Our trip planning guide builds this into what you pack.

The weather, month by month

Here is the year in more detail, coast and mountain together. Treat the temperatures as typical ranges rather than promises; the mountain runs a few degrees cooler than any of these figures, and cooler still after dark.

November to March: hot, humid, and green

This is high summer and the heart of the wet season. On the coast, daytime temperatures commonly sit in the low thirties Celsius (the high eighties to low nineties Fahrenheit) and the humidity makes it feel hotter, especially in the still hours before an afternoon storm. Nights stay warm and close. The rain is at its heaviest in December, January, and February, arriving in short, powerful bursts of tropical downpour, often with thunder rolling around the mountains. It is the lushest, most alive time of year: everything is growing, the forest hums with insects and frogs, and the waterfalls are at full volume. Up on the mountain the heat is more bearable than in the town, which is one of the quiet luxuries of staying above the coast in summer, but the rain is heavier and the trails are muddier. This stretch is also the busiest and most expensive of the whole year, which we cover below.

April and May: the gentle shoulder

As autumn comes on, the rain begins to ease and the fierce edge comes off the heat, but the landscape is still deep, saturated green from the summer wet. Days are warm and pleasant, nights are comfortable, and the crowds thin out sharply once the summer holidays and Carnival are past. Many people who know this coast well consider April and May the sweet spot: you still get warmth and greenery and reasonably full waterfalls, but with far more room to breathe. It is a lovely, forgiving window for a first visit, and a good one for combining forest days with the occasional warm afternoon on the sand.

June to August: winter, and the clearest air

This is the dry season proper, and Brazilian winter. Do not let the word winter mislead you — on the coast the days are usually mild and bright, often in the low-to-mid twenties Celsius (low-to-mid seventies Fahrenheit), which is very comfortable for walking. What changes most is the humidity and the light: the air dries out, the haze lifts, and the long views from the ridge and the mountain lookouts come into their own. This is the best time of year for serious hiking and for big, clear vistas. The catch is the temperature up high and after dark. On the mountain, winter nights can turn genuinely cool, sometimes into the low teens or single digits Celsius, and mist can settle in at dawn. A warm layer stops being optional. In exchange you get the crispest walking conditions of the year and the season when whales are passing offshore.

September to November: warming up, greening again

Spring is the other transition, and another strong window. Through September and October the temperature climbs back up, the first rains begin to return and refill the streams, and the forest shifts from its drier winter self back toward summer lushness. Birdsong picks up as the breeding season gets going, flowers come out, and the whole place feels like it is waking up. Crowds are modest outside any specific holiday, and prices are gentler than the summer peak. By November the humidity and the storms are building toward summer again. If you want warmth without the full heat and rush of December to February, this is an excellent stretch to aim for.

The seven waterfalls through the year

If the waterfalls are high on your list — and for many guests they are the whole reason to come — then the season matters, because the water level follows the rain with a short lag. In and just after the wet season, from around December through April, the seven waterfalls run full and thunderous. The pools are deep, the spray hangs in the air, and the entire watershed is loud with moving water. It is spectacular, and it is also the time to take the water most seriously, because heavy rain higher up the mountain can raise a stream surprisingly fast, even when it is not raining where you are standing. We watch conditions closely and will steer you to the safest falls on any given day.

In the drier winter months the falls are gentler. The flow drops, the roar softens to something you can talk over, and the pools run clearer and calmer — conditions a lot of people actually prefer for swimming. The water is cooler then, which is bracing and wonderful after a hot walk and less inviting on a genuinely cold morning. So there is no wrong answer here, only a choice between drama and serenity: come in the wet months for the falls at full power, or in the dry months for calm, clear pools and easy swimming. Either way, our guide to the seven waterfalls explains how to walk and swim them safely by season, and the companion page on the streams and springs lays out the water cycle that drives all of it — the three streams and four springs on the property that feed the falls below.

Whales, turtles, and the life of the coast

The reserve is a mountain place, but you are a short drive from the sea, and the ocean has its own calendar worth knowing if marine wildlife is part of why you are coming.

Humpback whales offshore

Humpback whales migrate up the Brazilian coast each year, moving from their cold Antarctic feeding grounds toward the warm breeding waters off the northeast, above all the Abrolhos Bank off Bahia, and then back again. That migration passes offshore of the Costa Verde, generally between about July and November, with the middle of that window your best chance. Be honest with yourself about expectations, though: the great whale-watching grounds are much farther north, off Bahia and Espírito Santo, where the animals gather to breed and calve. Here they are passing through, usually well out to sea, so sightings are a happy bonus of a winter or spring boat trip rather than a guaranteed spectacle. If whales are the entire point of your trip, the reserve is not the place to base yourself for them; if you would simply love the chance to see a distant blow or breach from a boat while you are here for the forest and the coast, the colder half of the year is when to come.

Sea turtles and Projeto TAMAR

Sea turtles are part of the wider region's story too, coordinated nationally by Projeto TAMAR, Brazil's long-running turtle conservation program. Nesting on the Brazilian coast runs broadly through the warm months, roughly September to March, when females come ashore at night to lay and, later in the season, hatchlings make their run to the sea. The Costa Verde and the neighbouring São Paulo coast are more feeding and developmental grounds for green turtles than major nesting rookeries, so this is not a beach where you should expect to stumble on a nest. The closest place to engage properly with the story is the Projeto TAMAR visitor station down the coast at Ubatuba, in São Paulo state, which is well set up for families and worth a day if turtles capture your children's imagination. As with the whales, treat this as regional context and a possible day trip rather than a promise of what you will see from any given beach.

Birding by season

The Atlantic Forest is one of the richest bird habitats on the planet, packed with endemic species found nowhere else, and the reserve is good for birds every single day of the year. That said, the seasons do change the experience, and it is worth knowing how if birds are a priority.

The drier winter months, June to August, are in some ways the easiest for actually seeing birds. The air is clear, the light is good, the trails are firm, and long comfortable mornings out with binoculars are the norm. Some trees are barer, which can make movement in the canopy easier to catch. The warm, wet months bring their own rewards: the spring and early-summer breeding season, from around September into December, is when the forest is at its most vocal, with males singing to hold territory and a great deal of activity as birds pair up and nest. Fruiting seasons matter too — when a particular tree comes into fruit it can pull in tanagers, toucans, and cotingas in numbers, turning one corner of the forest into the busiest place around.

Whatever the month, the dawn chorus is the main event, and it never really lets up; the first hour of light is when the forest is loudest and most active, in every season. If a particular species is the reason for your trip — a specific endemic, a trogon, one of the region's tanagers — write to us with it in mind and we will do our best to point your dates and your mornings in the right direction. Our birdwatching page goes into the habitats and the species in far more depth.

The forest floor and the night, season by season

Birds are only one layer. The warm, wet months are when the forest is at its most theatrical after dark. Frogs are loudest and most numerous then, and a night walk in December or January can mean standing inside a wall of sound, with the calls coming from the streams, the trees, and the leaf litter all at once. This is also the peak of insect life, which is part of the richness but does mean more mosquitoes and biting insects in the wet season — repellent and long sleeves earn their place in the bag from November to March. Flowering follows the warmth and rain too: many of the forest's orchids and bromeliads put on their show in spring and summer, and the whole understory feels charged with growth.

The dry winter months are quieter underfoot and overhead but easier for covering ground. Trails are firmer and less slippery, streams are lower and simpler to cross, and the reduced insect pressure makes long days out more comfortable for a lot of people. Mammals — which are shy here in any season, as they are throughout the Atlantic Forest — are no more or less likely to show themselves, but the better footing and clearer sightlines of winter can tip the odds a little in your favour. Whichever season you land in, the reserve rewards slow, quiet, patient time far more than any particular month does.

Crowds, holidays, and prices

Timing your trip around the crowds can change it as much as the weather does. The reserve itself never feels busy, because it structurally cannot: the ecomix park allows exactly one chalet per two acres, twenty-five at the very most, ever, so even at full occupancy the forest swallows everyone. But the town, the beaches, the boats, and the roads certainly do fill up at predictable times, and if part of your plan is exploring Paraty and the coast, those dates are worth knowing.

The genuine peaks are the New Year holiday (Réveillon), when Paraty and the whole coast are packed and prices spike; Carnival, usually in February or early March, which is lively, loud, and crowded; the July winter school holidays, when Brazilian families travel in force; and Semana Santa, the Easter week, which is a long holiday weekend that draws people to the coast. Any of the scattered Brazilian public holidays that fall on a Thursday or Monday can also create a busy long weekend, or feriadão, that fills the town with little warning. During all of these, the historic centre buzzes and the beaches and boats are at their most energetic — wonderful if you love that, harder if you have come for quiet.

For calm, aim squarely at the shoulder months — roughly April and May, or September and October — and, wherever possible, favour midweek over weekends. You will find the town gentler, the beaches emptier, the boat trips easier to arrange, and the roads less trafficked, including the coast road in and the winding climb up the mountain described on our getting there page. Come outside the peaks and the same coast simply feels more like your own.

Pick your month for the weather; pick your week for the crowds. Get both right and the coast feels like it belongs to you.

Festivals worth planning around

Paraty has a genuinely rich cultural calendar, and its festivals can be a reason to come or a reason to shift your dates by a week, depending on what you want out of the trip. The best known is FLIP, the Festa Literária Internacional de Paraty, an international literary festival that has drawn writers and readers from around the world for years. It is a wonderful event and it fills the town completely; if you want to be part of it, book early, and if you are coming for quiet, check its dates and give them room. Its timing has moved around over the years, so confirm the exact dates for the year you are considering rather than assuming.

Alongside FLIP, the calendar turns on Paraty's deep religious and cultural traditions. The Festa do Divino Espírito Santo, tied to Pentecost and so falling in late spring in the northern sense — around May or June here — is one of the town's oldest and most beautiful celebrations, with processions, music, and folk traditions that go back centuries. There are food and drink festivals too, including a well-loved cachaça festival celebrating the sugarcane spirit the region is known for, typically in the cooler middle of the year, and various music and cultural events scattered through the calendar. The rhythm of religious feast days, saints' days, and harvest celebrations gives most months something.

Our advice is simple: if a lively, crowded, festive town is what you are after, time your visit to coincide with one of these and lean into it; if you are coming for the forest and for stillness, glance at the festival calendar before you fix your dates so you are not surprised. Either way we are happy to tell you exactly what is on during the window you are weighing up. The Paraty travel guide describes the main festivals and the shape of the town's year in more detail.

Hiking weather versus beach weather

Much of choosing your season comes down to a single honest question: are you here mainly to walk in the forest, or mainly to be on and in the water? The two do not peak at quite the same time, and knowing which way you lean makes the decision easy.

For hiking — the trails through the reserve, the old donkey-built roads through the banana farm, the longer routes toward the falls, and the classic regional walks like the historic Caminho do Ouro (the Gold Trail) between Paraty and Cunha, or the climb to the Pedra da Macela lookout — the dry winter months from June to August are hard to beat. Firm ground, clear air, comfortable daytime temperatures, and the long views that only the dry season delivers all line up. The shoulder months of April–May and September–October are nearly as good and a touch greener. The wet summer is the least comfortable for long walks: hot, humid, muddy underfoot, and interrupted by afternoon storms, though early mornings can still be lovely if you start before the heat.

For the beaches — whether that is the town beaches, the boat-trip stops around the bay, or the wilder sands out toward Trindade and the Saco do Mamanguá, or farther down the coast at Ubatuba — the warmer months from around November to March give you the hottest days and the most inviting sea, which is exactly why everyone else wants them too. The sea stays swimmable well into the shoulder seasons, and a warm April or October afternoon on a near-empty beach can be the best of both worlds. In deep winter the water turns cool and the beach becomes more a place to walk than to swim, which many people are perfectly happy with. Our pages on Paraty's beaches and on the wider Costa Verde season by season go into the specific spots.

The working farm through the year

The reserve is built around a genuinely working organic banana farm, about three hundred years old and laced with the stone-set donkey and mule roads the old growers built to move fruit down the mountain. In this warm, wet climate bananas fruit more or less continuously, so unlike a temperate orchard there is no single dramatic harvest week to aim for — there is fruit ripening in some corner of the plantation in every month of the year. What the seasons change is the pace. Through the warm, wet half of the year the plants push hard, throwing up new growth and heavy hands of fruit; the wet months are the farm at its most vigorous and green, and a good time to see the plantation working at full tilt.

The drier winter slows growth a little and makes the farm work easier and more comfortable underfoot, which is when a lot of the maintenance along those ancient roads gets done. For a visitor, the practical upshot is reassuring: whenever you come, there is likely to be fruit on the plants and something happening on the farm, and the walk along the old donkey roads through the bananas is rewarding in any season. In the wet months you trade some mud for lushness and abundance; in the dry months you trade some greenery for firmer footing and clearer light. Either way, the farm is one of the constants that makes the reserve worth visiting year-round rather than only in a narrow window.

The wider region, season by season

Most guests pair their time on the mountain with at least a day or two out in the wider Costa Verde, and the region's highlights each have their own best moments.

The bay, Ilha Grande, and Angra dos Reis

The boat trips that Paraty is famous for — out among the islands and coves of the bay, or over to Ilha Grande with its beaches like the celebrated Lopes Mendes, or up the coast around the hundreds of islands off Angra dos Reis — are at their best in calm, warm weather. That points to the warmer half of the year, roughly October to April, when the sea is inviting and the water clear for snorkelling, though it is also when the boats are busiest. The shoulder months give you warm, settled days without the summer scrum. In winter the boat trips still run and can be beautiful on a clear, calm day, but the water is cooler for swimming and the weather is a little less dependable. Ilha Grande's inland trails, by contrast, walk best in the drier, cooler months, so the island rewards a visit in almost any season depending on whether you have come to swim or to hike.

Cunha and the mountains behind

Over the Serra behind Paraty, the mountain town of Cunha is cooler than the coast all year and genuinely cold on winter nights, which is part of its charm — it is a place of ceramics studios, mountain air, and open pasture. The lavender fields it is known for are usually at their best in the warm months, roughly December to March, when they come into bloom, so time a lavender-focused trip for summer; the pottery, the food, and the mountain scenery are good in any season. Winter in Cunha has a cosy, woodsmoke quality that many people love. The drive over, described on our getting there page, is at its most spectacular on a clear dry-season day when the Pedra da Macela lookout hands you the whole bay.

The surf coast toward Ubatuba

South and west, over the state line into São Paulo, the coast toward Ubatuba and the wild beaches around Trindade turns to surf and open ocean. The summer months bring the warmest water and the liveliest beach scene, along with the Projeto TAMAR turtle station and, in the right conditions, some of the region's best surfing. As everywhere on this coast, the shoulder seasons deliver much of the same warmth with far fewer people, and winter quietens the beaches to the point where you can have long stretches of sand largely to yourself.

Roads, access, and getting up the mountain by season

One season-specific practicality is worth flagging, because it affects the very last leg of your journey. The road up to the reserve climbs steeply from Paraty and its final stretch is unpaved, and in the heavy rains of the wet season, roughly November to March, that surface can soften and rut. A vehicle with good clearance, and ideally four-wheel drive, is strongly advised in those months, and the climb is best done in daylight and never rushed after a heavy downpour. In the drier winter months the road firms up and the drive is more forgiving, though it remains a slow, winding mountain track in any season.

The coast road in from Rio or São Paulo is also busier and slower during the summer peaks and holiday weekends, so if you are self-driving, building in extra time around New Year, Carnival, and the July holidays is simply realistic. None of this is a reason to avoid the wet season — plenty of guests come up happily in the height of summer — but it is a reason to plan the arrival with the season in mind, and, if you would rather not think about the final climb at all, to let us bring you up in a vehicle suited to the conditions. The full detail lives on the getting there page.

What to pack, by season

Because the mountain runs cooler and wetter than the coast in every season, a little thought about what you bring goes a long way. In the wet summer (November to March), pack for heat and rain both: light, quick-drying clothes, a proper rain shell rather than a flimsy poncho, sandals and shoes you do not mind getting muddy, strong insect repellent, and sun protection for the bright mornings. A dry bag for a camera or phone is worth its space near the waterfalls. In the dry winter (June to August), bring layers above all — a warm fleece or jacket and long trousers for the cool mountain evenings and misty dawns — alongside comfortable hiking shoes for the firm trails and something for the still-bright midday sun. The shoulder months sit between the two; a light rain layer and one warm layer cover most of what April, May, September, and October will throw at you.

Whatever the season, a good pair of walking shoes, a refillable water bottle (the spring water here is superb), a headlamp for night walks, and sensible layers are the constants. The forest is generous, but it is a real mountain environment, and it repays being taken a little seriously. The full checklist, tuned to your exact dates, lives on the trip planning page.

So when should you come?

Put simply: come in the wet season, from November to March, if you want the forest at its most dramatic and alive, the waterfalls at full thunder, and warm days on the beach, and you do not mind heat, humidity, afternoon storms, and, at the peaks, crowds and higher prices. Come in the winter dry season, from June to August, if you want cool, clear days for long hikes and big views, the chance of whales passing offshore, and the quietest walking of the year, and you are happy to pack a jacket for the mountain nights. And come in the shoulder months — April to May or September to October — if you want the best all-round balance: warm but not sweltering, deep green, rich with wildlife, still good for both trails and sea, and blessedly uncrowded.

Beyond the month, the single best thing you can do is give yourself enough nights. The mountain works on you slowly; a rushed two-night stay barely lets the pace change, while a longer one lets the forest, the water, and the quiet do what they are there to do. The reserve is generous in every season, and the only real mistake is not staying long enough to notice. When you have a window in mind, the stays and booking page explains how to hold it, and the team is always glad to tell you exactly what the coast and the mountain will be doing on your dates — just ask through the contact page.