Weather · San Jose, Costa Rica
San Jose Weather in August
San Jose in August runs 29°C / 23°C with 443mm of rain, not the easiest month, weather-wise.
Avg high
29°C
84°F
Avg low
23°C
73°F
Rainfall
443mm
#3 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in San Jose builds it around the season for you.