Costa Rica’s tropical climate makes it a year-round destination, but understanding its weather patterns can help you plan the perfect trip. From sunny beaches to misty cloud forests, the country’s diverse landscapes mean varied weather depending on the season and region. This guide breaks down Costa Rica’s weather year-round, including what to expect and how to prepare.
Costa Rica’s Two Seasons: Dry and Green
Costa Rica’s climate is divided into two main seasons:
- Dry Season (December to April): Known locally as "summer," this is Costa Rica’s peak tourist season. The dry season brings sunny days and little to no rain, making it ideal for outdoor activities.
- Green Season (May to November): Often called the "rainy season," the green season features frequent rain showers, particularly in the afternoons. It’s a quieter, budget-friendly time to visit, with lush landscapes and fewer crowds.
Regional Weather Variations
Costa Rica’s weather can vary significantly by region, thanks to its diverse geography. Here’s what to expect in different parts of the country:
Pacific Coast
- Dry Season: Hot and sunny, with temperatures ranging from 85–95°F (29–35°C).
- Green Season: Afternoon rains are common, but mornings are often clear. Guanacaste experiences less rainfall than other regions.
- Best Time to Visit: December to April for beach vacations.
Caribbean Coast
- Dry Season: The Caribbean doesn’t have a strict dry season, but September and October tend to be the driest months.
- Green Season: Rainfall is spread throughout the year, keeping the region lush and vibrant.
- Best Time to Visit: September and October for the driest conditions.
Central Valley (San José and Surrounding Areas)
- Dry Season: Mild and sunny, with average temperatures around 70–80°F (21–27°C).
- Green Season: Rain showers in the afternoons, but mornings are typically dry.
- Best Time to Visit: Year-round, depending on your activities.
Cloud Forests (Monteverde and Bajos del Toro)
- Dry Season: Cool and misty, with occasional sunny spells.
- Green Season: Frequent rain creates a lush environment, perfect for wildlife viewing.
- Best Time to Visit: January to March for clearer trails and less rain.
Northern Lowlands (Arenal and La Fortuna)
- Dry Season: Warm and mostly sunny, with average temperatures around 85°F (29°C).
- Green Season: Afternoon rains enhance the lush greenery and fill the region’s rivers and waterfalls.
- Best Time to Visit: January to April for drier conditions.
Osa Peninsula
- Dry Season: Warm and dry, with sunny skies ideal for exploring Corcovado National Park.
- Green Season: Heavy rains can make some areas difficult to access.
- Best Time to Visit: December to April for easier travel.
Month-by-Month Costa Rica Weather Guide
December to April: Dry Season
- Expectations: Sunny skies, minimal rain, and warm temperatures across the country.
- Best Activities: Beach days, volcano hikes, and zip-lining.
- Ideal Regions: Pacific coast, Central Valley, and Arenal.
May to June: Early Green Season
- Expectations: Morning sunshine with afternoon rain showers, creating lush landscapes.
- Best Activities: Wildlife watching and exploring national parks with fewer crowds.
- Ideal Regions: Arenal, Monteverde, and Caribbean coast.
July to August: Mini Dry Season
- Expectations: A brief dry spell within the green season, with reduced rainfall in many regions.
- Best Activities: Whale watching, turtle nesting, and rainforest hikes.
- Ideal Regions: Pacific coast, Tortuguero, and Corcovado.
September to October: Peak Green Season
- Expectations: Heavy rains, particularly in the Pacific and mountainous areas. The Caribbean coast is drier during these months.
- Best Activities: Visit the Caribbean coast or enjoy tranquil rainy-day activities like hot springs.
- Ideal Regions: Puerto Viejo, Cahuita, and Tortuguero.
November: Transition Month
- Expectations: Rain tapers off, and sunny days return, marking the start of the dry season.
- Best Activities: Exploring national parks without the peak-season crowds.
- Ideal Regions: Manuel Antonio, Guanacaste, and Central Valley.
FAQs: Costa Rica Weather
Q: What is the best time to visit Costa Rica?
A: December to April is ideal for sunny weather, but May to November offers lush scenery and fewer crowds.
Q: Does it rain all day during the green season?
A: No, rain typically falls in the afternoons, leaving mornings clear for activities.
Q: Which coast has better weather?
A: The Pacific coast has a defined dry season, while the Caribbean coast experiences rain year-round with drier periods in September and October.
Q: Is the rainy season a bad time to visit?
A: Not at all! The green season is perfect for enjoying lush landscapes, lower prices, and fewer tourists.
Q: What should I pack for Costa Rica’s weather?
A: Light, breathable clothing for the dry season, and waterproof gear like a rain jacket and sturdy shoes for the green season.
Conclusion: Plan Your Trip Around Costa Rica’s Weather
Costa Rica’s weather is as diverse as its landscapes, with something to offer travelers every month of the year. Whether you prefer sunny skies or lush, rainy adventures, understanding the country’s seasons and regional variations can help you plan a trip that matches your goals. Pack accordingly, choose your destinations wisely, and get ready to enjoy Costa Rica’s incredible natural beauty.