San José UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index13
- Avg Clouds88%
- Max Temp27.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in San José, Costa Rica 
will reach a high of 13 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-25
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
San José's UV Index
San José, Costa Rica typically has a UV index ranging from moderate to high, peaking around 10 during the dry season months. The UV index is lower during the rainy season but can still reach significant levels.
Weather Seasons
The city experiences a dry season from December to April and a rainy season from May to November. Temperatures remain warm year-round, with slightly cooler evenings during the dry season and frequent afternoon showers in the rainy season.
San José's Climate
Compared to other parts of Central America, San José has milder temperatures due to its elevation. Neighboring countries often experience hotter and more humid conditions in their lowland areas, while San José enjoys a more temperate climate.
Hourly UV Index Trend
See the UV index hour by hour for San José. When the level is high, it's smart to find some shade.
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