San Jose Weather in December
Costa Rica · 30-year monthly averages
🌟 Great time to visit
December in San Jose is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 16°C (61°F). Expect roughly 25mm of precipitation spread over about 4 rainy days, with little rainfall.
Avg high
29°C
84°F
Avg low
16°C
61°F
Rainfall
25mm
dry
Rainy days
4
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
December vs the rest of the year
FAQ
- How hot is San Jose in December?
- December in San Jose is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 16°C (61°F). Expect roughly 25mm of precipitation spread over about 4 rainy days, with little rainfall.
- Does it rain a lot in San Jose in December?
- San Jose sees around 25mm of precipitation in December on average — dry by global standards.
- Is December a good time to visit San Jose?
- December is one of the best months to visit San Jose — comfortable temperatures and manageable rainfall.