San José Weather & Climate

Costa Rica

San José sees feels-like daytime highs peak around 31.8°C in April and nighttime lows bottom out near 21.6°C in March. October is the wettest month (~166 mm), while March is the driest (~19 mm). For sunshine, January leads with about 61% clear skies.

Best time to visit San José

Based on mild feels-like temperatures and low rain chances, the most comfortable months are February, March, and January — expect around 21.930.5°C with roughly 8% chance of rain on a given day in February.

San José climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January22.3° / 30.9°11%30 mm61%5.4 kph
February21.9° / 30.5°8%20 mm56%5.6 kph
March21.6° / 31°9%19 mm48%5 kph
April22.1° / 31.8°19%49 mm27%4.1 kph
May22.6° / 31.5°37%121 mm9%3.3 kph
June22.6° / 30.5°44%139 mm5%3.1 kph
July22.5° / 30.2°42%127 mm7%3.1 kph
August22.4° / 30.3°43%138 mm7%3.1 kph
September21.7° / 30.5°48%157 mm6%3 kph
October21.8° / 30.6°50%166 mm9%3.1 kph
November22.5° / 30.3°36%112 mm27%3.6 kph
December22.4° / 30.2°20%59 mm52%4.5 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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