Your Essential Guide to the Weather in Costa Rica: What to Expect Each Month in 2025-2026

Costa Rica is often described as a tropical paradise, known for its breathtaking beaches, verdant rainforests, and rich wildlife. If you're planning a trip to this beautiful country, understanding its weather patterns for each month in the upcoming years can greatly enhance your travel experience. In this guide, we will explore the anticipated weather statistics for Costa Rica from 2025 to 2026, enabling you to prepare effectively for your adventure.

January: The Dry Season Begins

January marks the start of the dry season in Costa Rica, especially in the Pacific regions. Expect average temperatures between 21°C (70°F) and 29°C (84°F). Rainfall is minimal, paving the way for uninterrupted explorations in places like Guanacaste.

A picturesque beach under clear skies in Costa Rica.

With warm weather and clear skies, January attracts many tourists, so it's wise to book accommodations early. Wildlife can be easily spotted during this time, making it ideal for nature enthusiasts. The chance to see creatures like howler monkeys, toucans, and sloths is heightened in this month.

February: Warm and Dry

February continues the dry weather trend, with temperatures averaging between 21°C (70°F) and 30°C (86°F). The lack of rain makes this month perfect for hiking in national parks like Manuel Antonio or soaking up the sun on the beach.

Evenings remain pleasantly warm, making outdoor dining delightful. Highlight activities this month include adventurous sports such as zip-lining in Monteverde and surfing in Tamarindo. The clear skies and vibrant sunsets are not to be missed.

March: Peak Tourist Season

March is often the hottest month in Costa Rica, with temperatures averaging 22°C (72°F) to 31°C (88°F). The dry season is in full swing, marking peak tourist season. Expect abundant sunshine, nearly every day with little to no rain.

This is a fantastic time for beach lovers and those eager to discover Costa Rica’s biodiversity. Stay hydrated and use sunscreen, as the sun can be intense. Popular spots like Playa Conchal and Corcovado National Park see high foot traffic, so visiting during early mornings might help you beat the crowds.

April: Transition to Wet Season

April signals a gradual shift towards the wet season. You can still expect warm weather, averaging 22°C (72°F) to 30°C (86°F), but afternoon showers start to become more common, especially toward the end of the month.

Tourist numbers might begin to decline, providing a quieter atmosphere for visitors. This transition period nurtures the greenery, making it an excellent time for nature photography or spotting wildlife, which becomes more active as they prepare for the rainy season.

May: Start of the Rainy Season

May officially marks the arrival of the rainy season in Costa Rica. Average temperatures range from 21°C (70°F) to 29°C (84°F), with significant rainfall, especially in the afternoons.

If you don't mind getting a little wet, traveling in May can be rewarding. The lush landscapes shine in vibrant greens, and accommodation prices tend to be lower, making it a great choice for budget travelers. Eco-tourism activities thrive, allowing you to explore the country’s biodiversity, such as visiting La Fortuna to see the majestic Arenal Volcano.

June: Rain Showers and Humidity

In June, warm temperatures continue, averaging 21°C (70°F) to 28°C (82°F). Expect regular afternoon downpours, which can be heavy but often short-lived.

This month is perfect for birdwatching enthusiasts, as many species are nesting. The enhanced greenery also provides beautiful backdrops for photography. Consider visiting Monteverde Cloud Forest, where wildlife thrives in the changed environment.

July: A Short Break in Rainfall

July offers a brief respite from the heavy rains, especially in the Pacific regions, with average temperatures remaining comfortable at 21°C (70°F) to 27°C (81°F).

While rain showers still occur, they are less frequent, allowing for more outdoor activities. This is an excellent time for travelers seeking adventure during cooler weather, whether that’s hiking in Rincon de la Vieja or exploring the varied landscapes of the Nicoya Peninsula.

August: Humidity and Rainfall

August brings back increased rainfall and humidity, with average temperatures ranging from 21°C (70°F) to 28°C (82°F). Expect fast, heavy showers, though mornings often showcase sunny skies.

This month is also favorable for visiting the Caribbean coast, which typically experiences less rainfall than the Pacific side. If you are interested in wildlife, Tortuguero National Park is ideal for observing turtle nesting during this period.

September: The Heart of the Rainy Season

September is generally the wettest month in Costa Rica, with temperatures averaging 20°C (68°F) to 27°C (81°F). Prepare for consistent rain, which can make some outdoor activities challenging.

However, the rainy season brings low tourist numbers, providing a peaceful escape to explore Costa Rica’s ecological wonders without the crowds. The rain nourishes the flora and keeps waterfalls full, making places like La Fortuna even more enchanting to visit.

October: Continued Rain and Natural Wonders

October continues with heavy rainfall, and temperatures hover between 20°C (68°F) and 27°C (81°F). Expect heavy afternoon showers, making for a wet experience overall.

Despite the rain, the environment flourishes, creating stunning vistas and vibrant landscapes. This month is ideal for photography and leisurely hikes. Wildlife often becomes more active during the rain, offering opportunities to spot various animals in their natural habitats.

November: Transitioning to the Dry Season

November sees a slowdown in rainfall, with temperatures ranging from 21°C (70°F) to 28°C (82°F). The country begins transitioning back to the dry season, leading to drier days and reduced humidity.

This month is perfect for eco-tours, particularly in national parks, as wildlife becomes increasingly visible. As the fall season progresses, beautiful sunsets are an added bonus that can’t be overlooked.

December: Festive Season and Weather Transition

December ushers in the return of the dry season with temperatures ranging from 21°C (70°F) to 29°C (84°F). The festive spirit kicks in, as many travelers arrive to celebrate the holiday season.

Expect more sunny days, making it an ideal time for beach activities, rainforest explorations, or joining popular tours in places like Guanacaste. Due to the peak travel season, it’s advisable to book accommodations in advance to secure the best spots.

Planning Your Adventure With The Costa Rica Weather Guide

Understanding the monthly weather patterns in Costa Rica for 2025-2026 is crucial for planning an amazing trip. Whether you prefer the sunny dry months or the lush landscapes of the rainy season, Costa Rica has so much to offer year-round.

Be mindful of the varying climates across different regions, and adjust your packing list to prepare for sudden rain or humidity. With thoughtful planning, you’re sure to embrace the natural beauty and wildlife this captivating country offers. Happy travels as you prepare for your unforgettable journey to Costa Rica!