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Tucson UV Index Today

Day Summary

The UV index in Tucson, United States Flag of United States will reach a high of 7.6 today. This means a high level of sun exposure. See our tips below to stay safe!

Last checked: 2025-10-07

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.

Tucson's UV Index

Tucson's UV index is very high, especially in summer months, often reaching levels above 10, which means strong UV radiation from the sun. The UV index peaks around midday. Tucson experiences hot summers with temperatures frequently above 100°F (38°C). Winters are mild and dry with cooler temperatures. The region has a monsoon season from June to September, bringing sudden heavy rains and thunderstorms. Tucson is located in the Sonoran Desert, so it is much drier than many other parts of the United States. Compared to nearby Phoenix, Tucson is slightly cooler and receives less rainfall. Its desert climate is hotter and sunnier than neighboring states like New Mexico and Arizona's higher elevation areas.

Hourly UV Index Trend

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

Disclaimer

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