San Jose Weather in June
Costa Rica · 30-year monthly averages
⚠️ Challenging time to visit
June in San Jose is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 17°C (63°F). Expect roughly 221mm of precipitation spread over about 18 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
30°C
86°F
Avg low
17°C
63°F
Rainfall
221mm
very wet
Rainy days
18
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
June vs the rest of the year
FAQ
- How hot is San Jose in June?
- June in San Jose is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 17°C (63°F). Expect roughly 221mm of precipitation spread over about 18 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in San Jose in June?
- San Jose sees around 221mm of precipitation in June on average — very wet by global standards.
- Is June a good time to visit San Jose?
- June is a challenging month to visit San Jose weather-wise — plan around the conditions.