San Antonio UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6.6
- Avg Clouds18%
- Max Temp18.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in San Antonio, Chile 
will reach a high of 6.6 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-21
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
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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