Tortuguero in May: Green-Season Rain, Warm Sea and Canal Days

In May, the first regular afternoon rains drum on the tin roofs of Tortuguero and the canals turn the color of strong tea. Boatmen idle their motors to drift past howler monkeys and herons while the forest steams after a downpour. This is the village at the start of its green season, with warm air, a warm sea and a town that moves at the pace of the water.

A canal through the rainforest at Tortuguero in the green season · Illustration

What is the weather like in Tortuguero in May?

May in Tortuguero is hot, humid and wet, with rain on most days, usually in bursts rather than from a single gray sky all day long.

Month	Average high (°F)	Average low (°F)	Rain days	Sea (°F)
April	83.3	73.9	11.6	84.4
May	83.4	74.4	24.2	86.2
June	83.1	74.4	26.8	86.5

The day’s finest hours usually come early, when gentle light falls across the canals and you have a solid chance of staying dry on the boat ride. Showers tend to build later and can be heavy, drumming for an hour or two and then easing, though some days bring rain on and off from dawn. Heavy downpours of an inch or more are the exception rather than the rule.

Evenings stay warm enough that a T-shirt is fine after dark, and the humidity means clothes dry slowly. Because Tortuguero sits on the Caribbean side, its rain follows its own calendar, but the village is wet in May on the whole. The light is long, with about twelve and a half hours of daylight, so there is room to wait out a shower and head out again.

Wear light, quick-drying layers and plan on getting damp at some point. A good rain jacket matters more than a sweater, and waterproof sandals handle the muddy village paths well.

Can you swim in Tortuguero in May?

In May the sea is warm, but the stretch of sand fronting Tortuguero is not a swimming beach.

The Caribbean off the village is bathwater-warm, yet the beach is wide, open and exposed, with waves that often break hard onto steep sand. Several U.S. tourists drown in Costa Rica each year because of rip currents, a grave danger, and most beaches have no lifeguards and nothing posted to warn people about unsafe conditions. Tortuguero is no exception, so many visitors simply walk the sand, paddle at the edge and keep out of deeper water.

If you go in the water, check with the hotel or a surf school about conditions that day, obey any flags that are posted, always swim with someone else, and keep kids close enough to touch where the water meets the sand, a spot for wading, floating or playing. This is not a snorkeling beach, since the surf and the churned-up water make for poor visibility, and it does not suit nervous swimmers or small children beyond the water’s edge.

What you want to bring is a swimsuit for splashing, a towel and water shoes for the walk back through wet sand. The pool at a lodge is the easier choice for a proper swim.

What to do in Tortuguero in May

May is the quiet start of the green season, so the main event is the forest itself. Labor Day on May 1 is a national holiday, and Costa Rican families sometimes travel around it, but Tortuguero has no big festival this month. In the village, the atmosphere stays relaxed as children kick a soccer ball across damp fields, music floats out through open doorways, and small family kitchens send out the aroma of fried plantains with rice and beans.

Food leans toward the Caribbean table. Expect rice and beans simmered in coconut milk, plus fish and chicken with spicy sauces, patacones (fried green plantain disks) and fresh tropical fruit. When the air feels thick and damp, nothing hits the spot like a fruit shake or a cold drink, and for a dependable midday meal, order casado, the usual combo of rice, beans, salad and a protein.

Canal tours by boat

The canals are the reason to come. Small boats, often with a guide and a quiet paddle or electric motor, slip beneath overhanging trees where you may see sloths, caimans, kingfishers, herons and monkeys. Guided trips are the way most visitors spot animals, because guides know where to look and can hear what you cannot.

Early morning is the usual choice, when the light is gentle and birds are active, and the rain in May tends to arrive later. Wildlife is always a chance, never a promise, and a wet day can be just as good, with the forest dripping and the animals often showing themselves between showers. Pack a poncho, and stow your camera inside a dry bag.

Walking the village and the beach

You can stroll from one end of Tortuguero to the other at an easy pace, since the place is that small. A single main path runs between the canal and the sea, lined with simple restaurants, souvenir stalls, small shops selling carved wood and local crafts, and a few lodges. Wooden boardwalks help in the mud.

The beach is a long, wild, dark-sand strip that is best for walking and watching the surf rather than swimming. A walk at low light, between showers, gives you driftwood, seabirds and the sound of waves. It is a good place to pass an hour before dinner, and it is worth staying alert to the sea and keeping your distance from it.

Rain-day pleasures

When the sky opens, Tortuguero has its own slow rhythm. Settle under a covered porch with a coffee or a cold drink, watch the rain sheet across the canal and listen to frogs and birds. Cooking and craft stalls, small museums and shops in the village are easy places to wait out a shower.

A rainy afternoon here is part of the experience rather than a disruption to it, and the forest often looks its most vivid just after the rain.

A two-day itinerary for Tortuguero in May

Day 1. Get to your lodge by late morning after coming in on a small plane or a boat, as no roads reach this place. Take a slow lunch at a village restaurant with rice, beans and fish, then use the early afternoon for a walk through the village while the sky is still dry. Mid-afternoon rain is likely, so keep a poncho handy and be ready to duck onto a porch.

As the light softens, take a short walk along the beach to see the surf, keeping out of the water. Dinner is at the lodge or a small family kitchen in the village. Sunset comes around the early evening, and the night is warm, so you can linger on the porch listening to the frogs.

Day 2. Start early with a guided boat ride on the canals, when the animals are active and the light is gentle. You may see sloths, herons, kingfishers and monkeys, and the guide will point out what you might otherwise miss. Be back for a late breakfast and a rest while the heat and humidity build.

Around midday, browse the craft stalls and shops, then have a relaxed lunch at a different spot than the day before. If rain arrives, a covered porch, a hammock and a book are the plan. Late in the afternoon, walk out again if the sky clears, and finish with a quiet dinner and an early night before your departure.

Is Tortuguero busy in May?

No, May is generally a calmer month in Tortuguero, with the rains discouraging many travelers and the village feeling relaxed.

Labor Day on May 1 is a national holiday, so the days around it may bring more Costa Rican families and a fuller lodge or two. Outside that stretch, rooms are usually easier to find, restaurants have free tables and boat tours are less crowded. It is a good moment for travelers who prefer a quiet forest to a busy one.

Even so, lodges here are small and the only way in is by boat or small plane, so book early if your dates include the holiday and a little later for the quiet weeks. Tortuguero has no road access and can be reached only by boat or small plane.

What to pack for Tortuguero in May

Pack for heat, humidity and regular rain, and bring things that dry quickly and protect your gear.

Pack a light rain jacket or poncho, since rain tends to fall on most days.
Quick-drying shirts and shorts, since the air stays damp.
For soggy trails and stepping off boats, pack sandals that repel water plus shoes that enclose your feet.
A dry bag for your camera and phone on the canals.
For the woods and the open water, bring bug spray and sunblock.
Binoculars, to spot birds and sloths high in the trees.

Good to know before you go

The U.S. State Department rates Costa Rica Level 2, ‘Exercise increased caution,’ due to crime; it says petty crime is common throughout Costa Rica and that violent crime also affects tourists, including armed robbery, homicide and sexual assault.

May falls at the start of the green season, with afternoon rains becoming regular. Since Tortuguero is accessible solely by small plane or boat, arrange your transportation before anything else and leave some flexibility in your plans in case weather holds up a trip.

May 1 is a national holiday. To enter, you need a passport that stays valid for your whole trip, plus a ticket back or proof you are traveling onward, and even though visitors might get up to 180 days without a visa, that is never promised.

Tortuguero in May vs April and June

Moving earlier to April gives you noticeably fewer wet days and a slightly cooler sea, so boat rides and village walks are more likely to be dry. The forest is a little less lush, but plans are easier to keep. It suits travelers who dislike rain and want more predictable canal mornings.

Moving later to June brings even more rain, with showers on nearly every day and a touch warmer sea, along with heavier downpours. The village is quieter still and the forest greener, which suits those who enjoy a moody, wet jungle and do not mind getting soaked. Plan flexibly and expect slower days.

May sits between the two, with a wet forest, a warm sea and a quiet village. Choose April if dry mornings matter most, May for a balance of green and calm, and June if you want the wettest, quietest, greenest version of Tortuguero.

Is May a good time to visit Tortuguero?

May works well for visitors drawn to rain forests, sleepy towns and the patter of rain, and who are fine with getting soaked in return for green, thriving views.

It suits birders, wildlife watchers, photographers and anyone happy to travel by boat with a poncho in the bag. It is less suited to people who need dependable sunshine, want a beach to swim from or dislike humidity. Families with young children may find the rain and the strong surf limiting.

On arrival, settle in, then book your canal tour for the first morning, when the light is gentle and animals are often active. The warm sea, the drip of the forest after a shower and a village with room to breathe are what make May in Tortuguero its own kind of green, slow and quietly beautiful.

Sources

Open-Meteo / ECMWF ERA5, normals 1991-2020 computed for the grid cell at 10.543N 83.502W, checked October 8, 2026
Open-Meteo Marine API, average 2015-2024, checked October 8, 2026
sunrise-sunset.org, sunrise and sunset calculated for the 15th of the month, checked October 8, 2026
U.S. Department of State, Costa Rica Travel Information, Safety and security (https://travel.state.gov/content/travel/en/international-travel/International-Travel-Country-Information-Pages/CostaRica.html), checked October 8, 2026
U.S. Department of State, Costa Rica Travel Advisory, issued April 1, 2026 (https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories/costa-rica-travel-advisory.html), read via the State Department open data API on October 8, 2026
U.S. Department of State, Costa Rica Travel Information, Entry and exit requirements (https://travel.state.gov/content/travel/en/international-travel/International-Travel-Country-Information-Pages/CostaRica.html), checked October 8, 2026