San Jose Weather in October
Costa Rica · 30-year monthly averages
🤔 Fair time to visit
October in San Jose is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 16°C (61°F). Expect roughly 290mm of precipitation spread over about 19 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
29°C
85°F
Avg low
16°C
61°F
Rainfall
290mm
very wet
Rainy days
19
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
October vs the rest of the year
FAQ
- How hot is San Jose in October?
- October in San Jose is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 16°C (61°F). Expect roughly 290mm of precipitation spread over about 19 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in San Jose in October?
- San Jose sees around 290mm of precipitation in October on average — very wet by global standards.
- Is October a good time to visit San Jose?
- October is a workable month to visit San Jose, but expect some weather trade-offs.