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San Luis UV Index Today

Day Summary

The UV index in San Luis, Argentina Flag of Argentina will reach a high of 12.9 today. This means a extreme level of sun exposure. See our tips below to stay safe!

Last checked: 2026-02-04

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 Luis's UV Index

The UV index in San Luis, Argentina, often ranges from moderate to high, especially during summer months, indicating strong sun exposure that can affect skin and eyes without protection.

Weather Seasons

UV index

San Luis experiences hot summers with temperatures frequently above 30°C (86°F) and cooler winters where temperatures can drop below 10°C (50°F). Rainfall is higher in summer and drier in winter, following the region’s typical seasonal pattern.

San Luis's Climate

Compared to neighboring countries, San Luis generally has a drier climate than parts of Brazil and Uruguay but is wetter than many areas in western Argentina. Its weather is milder and less tropical than north-eastern Argentina.

Hourly UV Index Trend

See the UV index hour by hour for San Luis. When the level is high, it's smart to find some shade.

Disclaimer

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