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Published on February 12, 2026

Best Things to Do in Costa Rica by Month: A Seasonal Travel Planner

Costa Rica, a jewel of Central America, captivates travelers with its incredible biodiversity, lush landscapes, and vibrant culture. While it’s a fantastic destination year-round, understanding its distinct seasons can significantly enhance your trip planning, allowing you to tailor your experience to specific interests and weather patterns.

Understanding Costa Rica's Seasons

Costa Rica experiences two primary seasons: the Dry Season (typically December to April) and the Green Season, also known as the Rainy Season (May to November). Each offers unique advantages, from abundant sunshine perfect for beach relaxation to verdant rainforests thriving under refreshing afternoon showers.

Dry Season Adventures (December - April)

The dry season is characterized by consistent sunshine, less humidity, and minimal rainfall, particularly on the Pacific coast and in the Central Valley. This makes it ideal for outdoor activities, though it's also the peak tourist season, meaning higher prices and larger crowds.

December: Festive Beginnings

As the "green" transitions to "dry," December offers a beautiful mix of lush scenery and increasing sunshine. The first half of the month is often a sweet spot before the holiday crowds arrive, offering pleasant weather and a festive atmosphere.

  • Activities:Enjoy white-water rafting, exploring volcanoes like Arenal Volcano National Park, and relaxing in natural hot springs such as Tabacon Hot Springs. The Caribbean coast sees its driest months in December, making it excellent for exploring Tortuguero National Park.
  • Highlights:Christmas and New Year's celebrations bring vibrant parades and cultural events, especially in San José.

January - February: Peak Dry Season

These months are the driest and sunniest across most of the country, making them incredibly popular. Expect clear skies, warm temperatures, and excellent conditions for almost any outdoor activity.

March - April: Continued Sunshine & Transition

The dry weather continues, with temperatures often peaking in March and April. While still excellent for travel, these months can feel quite hot and dusty in some Pacific lowland areas. Spring break also brings an influx of visitors.

  • Activities:Excellent for surfing, sunbathing, and exploring the Guanacaste region. It's also prime time for whale watching on the Pacific coast as humpback whales migrate through. Sea turtle nesting begins on the Caribbean coast for species like the leatherback, particularly in areas around Tortuguero National Park.
  • Highlights:Semana Santa (Holy Week) in April is a significant national holiday, resulting in crowded beaches and booked accommodations, so plan well in advance.

Green Season Experiences (May - November)

The Green Season brings daily afternoon showers, transforming the landscape into a vibrant, lush paradise. While there's more rain, mornings are typically clear and sunny, offering a different, often more intimate, experience with fewer crowds and lower prices.

May - June: The Start of Green

The rains begin, typically with predictable afternoon downpours that refresh the air and awaken the flora and fauna. The country becomes incredibly vibrant and green.

  • Activities:Waterfalls like La Fortuna Waterfall and Catarata del Toro are at their majestic best. This is a fantastic time for white-water rafting as rivers swell. Cloud forests like Monteverde Cloud Forest Biological Preserve are at their mistiest and most atmospheric.
  • Highlights:Enjoy birdwatching and wildlife spotting in the verdant rainforests. The crowds thin out, offering a more tranquil experience.

July - August: Mid-Green Season & "Veranillo"

Often referred to as the "Veranillo" or "little summer" on the Pacific side, these months can see a slight decrease in rainfall for a few weeks, offering a pleasant break. The Caribbean coast, however, tends to be wetter.

  • Activities:Whale watching on the Pacific coast peaks as humpback whales arrive from the south. The Corcovado National Park on the Osa Peninsula is spectacular, offering unparalleled wildlife viewing, though trails can be muddy. Water activities like canyoning and zip-lining are popular.
  • Highlights:The lushness of the rainforests is at its peak, making for incredible photography opportunities.

September - October: Wettest Months (Pacific)

These are typically the wettest months for the Pacific coast and Central Valley. However, it's also thedriesttime on the Caribbean coast, making it a unique period for regional exploration.

  • Activities:Head to the Caribbean for excellent weather, prime surfing conditions, and the peak of green sea turtle nesting in Tortuguero National Park. Volcanoes like Poás Volcano and Arenal Volcano National Park can be shrouded in clouds, but persistent travelers are often rewarded with clear views.
  • Highlights:Experience the vibrant culture of the Caribbean coast, including Carnival in Limón in October.

Travel Tip:During the Green Season, plan outdoor activities for the mornings. The afternoon rains are often a welcome chance to relax, read, or enjoy a cozy meal.

November: Transition to Dry

Rainfall begins to decrease significantly across the country, especially towards the end of the month. The landscapes remain vibrantly green, but the sunny periods become longer and more frequent.

  • Activities:Excellent for birdwatching as migratory species begin to arrive. Explore parks like La Paz Waterfall Gardens Nature Park where the waterfalls are still full and spectacular. It's a fantastic shoulder month, offering a balance of good weather and fewer crowds before the peak season rush.
  • Highlights:Enjoy the best of both worlds – lush scenery without the intense peak season crowds.

Planning Your Perfect Costa Rica Trip

Regardless of when you visit, a few key tips will ensure a smooth journey:

  • Pack Smart:Bring lightweight, quick-drying clothing. For the Green Season, waterproof jackets, pants, and sturdy, water-resistant hiking shoes are essential.
  • Book Ahead:Especially during the Dry Season (December-April), popular accommodations and tours fill up quickly.
  • Embrace Microclimates:Costa Rica's diverse topography means weather can vary greatly even over short distances. Be prepared for anything!
  • Flexibility:While planning is good, allow for some flexibility to adapt to local weather conditions or unexpected opportunities.

Conclusion

Costa Rica truly offers something special every month of the year. Whether you crave sun-drenched beaches and clear skies or the dramatic beauty of a thriving rainforest, understanding the seasonal nuances will help you craft an unforgettable adventure in this Pura Vida paradise. Choose the month that aligns with your ideal escape, and prepare to be enchanted.