San Jose Weather in January
Costa Rica · 30-year monthly averages
🌟 Great time to visit
January in San Jose is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 16°C (60°F). Expect roughly 11mm of precipitation spread over about 1 rainy days, and rain is rare.
Avg high
29°C
85°F
Avg low
16°C
60°F
Rainfall
11mm
very dry
Rainy days
1
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
January vs the rest of the year
FAQ
- How hot is San Jose in January?
- January in San Jose is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 16°C (60°F). Expect roughly 11mm of precipitation spread over about 1 rainy days, and rain is rare.
- Does it rain a lot in San Jose in January?
- San Jose sees around 11mm of precipitation in January on average — very dry by global standards.
- Is January a good time to visit San Jose?
- January is one of the best months to visit San Jose — comfortable temperatures and manageable rainfall.