San Antonio UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index12.1
- Avg Clouds18%
- Max Temp19 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in San Antonio, Chile 
will reach a high of 12.1 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-12-12
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 Antonio's UV Index
The UV index in San Antonio, Chile, typically ranges from moderate to high, especially during the summer months. It can reach values around 8 to 10 in December and January, indicating strong sun exposure.
Weather Seasons
San Antonio experiences warm, dry summers with temperatures averaging 25°C (77°F) and mild, wetter winters with temperatures around 10°C (50°F). Rainfall mostly occurs between May and August, while summers remain mostly dry.
San Antonio's Climate
Compared to other regions in Chile, San Antonio has a milder, Mediterranean climate with less extreme temperatures than northern deserts or southern Patagonia. Neighboring coastal cities share similar weather but inland areas can be hotter and drier during summer.
Hourly UV Index Trend
See the UV index hour by hour for San Antonio. When the level is high, it's smart to find some shade.
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