Get Exclusive App Deals
English
  1. Home
  2. Costa Rica
  3. Guanacaste

Guanacaste

Guanacaste 1
Travel Info
1
Travel Info
More destinations

Guanacaste Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Guanacaste year round climate

  • Spring (March–May): Average 27.6–28.3°C, warm and dry climate, rainfall gradually increases. March to April offers sunny and pleasant weather, with increased rainfall starting in May. Common activities: Surfing, sunbathing, visiting national parks. Recommended clothing: Light and breathable short-sleeved clothing, shorts, sun hat, sunglasses.
  • Summer (June–August): Average 25.6–26.4°C, hot and humid, abundant rainfall, the beginning of the rainy season. June has the most rainfall; be aware of heavy rain. Common activities: Rainforest exploration, waterfall viewing, indoor activities. Recommended clothing: Light and breathable clothing, raincoat or umbrella.
  • Autumn (September–November): Average 25.1–25.7°C, slightly lower temperatures, still relatively high rainfall, but less than in summer. Weather is partly sunny and partly rainy. Common activities: Birdwatching, hiking, farm visits. Recommended clothing: Light and breathable clothing, a light jacket is recommended.
  • Winter (December–February): Average 26.1–27.5°C, dry climate, very little rainfall, sunny and warm weather, peak tourist season. Common activities: Surfing, diving, sunbathing, wildlife watching. Recommended clothing: Light short-sleeved clothing, shorts, swimwear.

Guanacaste climatological average

Annual average temperature: approx. 26.6°C / Annual rainfall: approx. 1935 mm / Summer humidity: 70%–80% / Rainiest month: June

Guanacaste monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
27°C
0.2
February
27.5°C
1.5
March
28.3°C
35
April
28.3°C
22.7
May
27.6°C
175.7
June
25.6°C
416.3
July
26.4°C
212
August
26.1°C
184.7
September
25.7°C
256.7
October
25.4°C
235
November
25.1°C
377.7
December
26.1°C
17.7

Guanacaste weather for the next seven days

12/17
Wednesday
Patchy rain nearby
28.7°C/20.5°C
12/18
Thursday
Patchy rain nearby
28.5°C/20.6°C
12/19
Friday
Sunny
30.2°C/19.9°C
12/20
Saturday
Sunny
30.1°C/21.3°C
12/21
Sunday
Sunny
29.4°C/20.2°C
12/22
Monday
Sunny
28.7°C/20.3°C
12/23
Tuesday
Sunny
29.8°C/20.2°C

Guanacaste Frequently Asked Questions and Useful Information for Travel

Is it worth visiting Guanacaste, Costa Rica in 2025?

Absolutely! Guanacaste, Costa Rica offers an unforgettable vacation in 2025 with its year-round sunny weather, incredible beaches, and spectacular natural attractions. As the "Golden Coast" of Costa Rica, it's a premier destination for beach lovers and adventure seekers.

What makes Guanacaste, Costa Rica special for travelers?

Guanacaste, Costa Rica is renowned for its stunning beaches, unique dry tropical forests, majestic volcanoes, and rich cultural heritage, including its history of cattle ranching. This popular tourist destination features luxurious resorts, world-class surfing at spots like Witch's Rock, vibrant national parks for wildlife viewing, and thrilling activities such as ziplining, all under consistently warm and sunny skies with diverse landscapes.

How many days are recommended for a trip to Guanacaste?

For a quick overview of Guanacaste's main highlights, five days is sufficient. If you prefer a more relaxed pace to explore numerous beaches and charming villages along the Nicoya Peninsula, a week is ideal. For an in-depth experience covering almost all of Guanacaste and potentially other regions, plan for two weeks.

What are the best months to visit Guanacaste, Costa Rica in 2025?

The prime time to visit Guanacaste, Costa Rica in 2025 is during the dry season, from December to April, for consistent sunshine and lower humidity, perfect for beach activities and outdoor adventures. To avoid larger crowds and potentially higher prices, consider the shoulder months of May, September, or November, which offer a pleasant mix of sunshine and fewer tourists. The green season, from May to November, still offers many sunny days and lush scenery.

What are some must-do beach and coastal activities in Guanacaste?

Guanacaste offers a diverse range of beaches, from powdery white sands to unique shores composed of crushed seashells like Playa Conchal. It's a top destination for surfers, with famous breaks and a lively scene in Tamarindo. You'll find a variety of accommodations, from high-end resorts to boutique hotels, and a vibrant nightlife, particularly in areas like Tamarindo and Playa del Coco.