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San Antonio UV Index Today

Day Summary

The UV index in San Antonio, Chile Flag of Chile will reach a high of 5.1 today. This means a moderate level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-31

Hourly Forecast Chart

Today's Safety Tips

The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.

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

UV index

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.

Disclaimer

* The information on this page about the UV index in San Antonio is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.