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Costa Rica Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Costa Rica year round climate
Spring (March to May): Average 73.8°F, warm and humid climate, rainfall gradually increases, with the most rainfall in May. Common activities: Hiking in the rainforest, wildlife viewing, visiting national parks. Recommended clothing: Light and breathable clothing, raincoat or light umbrella.
Summer (June to August): Average 72.9°F, humid and hot climate, rainfall remains high. Common activities: Surfing, relaxing on the beach, whitewater rafting. Recommended clothing: Light short-sleeved clothing, shorts, sandals, swimwear.
Autumn (September to November): Average 72.0°F, humid climate, September is the wettest month of the year with high rainfall. Common activities: Birdwatching, waterfall exploration, exploring coffee plantations. Recommended clothing: Light and breathable clothing, raincoat or light umbrella.
Winter (December to February): Average 73.2°F, relatively dry climate, less rainfall, comfortable temperatures. Common activities: Visiting beaches, enjoying outdoor activities, visiting local cultural attractions. Recommended clothing: Light clothing, but there is a larger temperature difference between morning and evening, so a light jacket is recommended.
Costa Rica climatological average
Annual average temperature: approx. 73.0°F / Annual rainfall: approx. 2278 mm / Summer humidity: 75%–85% / Rainiest month: September
Costa Rica monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
73.2°F
4
February
73.2°F
10.5
March
74.3°F
47.3
April
74.3°F
129.3
May
73.8°F
330.3
June
72.1°F
363
July
73.4°F
194.7
August
73°F
209.7
September
72.3°F
368.7
October
71.8°F
338.3
November
71.4°F
256
December
73.4°F
26.8
Costa Rica weather for the next seven days
12/18
Thursday
Sunny
79.8°F/57.8°F
12/19
Friday
Patchy rain nearby
81°F/59.2°F
12/20
Saturday
Patchy rain nearby
80.6°F/60.7°F
12/21
Sunday
Patchy rain nearby
80.4°F/59.9°F
12/22
Monday
Patchy rain nearby
79.2°F/58.6°F
12/23
Tuesday
Sunny
80.6°F/58°F
12/24
Wednesday
Patchy rain nearby
75.9°F/60.4°F
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