Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
August verdict
Mixed for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 250mm, so showers are a real planning factor.
Monthly averages
Temp
27°C
Rain
250mm
Sun
5.8h
Weather score
53
Mixed
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 250mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Map
Compare San Jose, San Jose, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
August27°C average high
August is close to San Jose's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
August250mm average rain
August is wetter than San Jose's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August5.8 hours average sun
August is one of San Jose's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
August53 weather score
August scores below San Jose's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
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