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Sanya UV Index Today

Day Summary

The UV index in Sanya, China Flag of China will reach a high of 12.2 today. This means a extreme level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-01

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.

Sanya's UV Index

The UV index in Sanya, China, is generally high throughout the year, often reaching levels of 8 to 11 during summer months, indicating strong ultraviolet radiation from the sun.

Weather Seasons

UV index

Sanya has a tropical climate with warm temperatures year-round. It experiences a wet season from May to October with heavy rainfall and a dry season from November to April with less rain and lots of sunshine.

Sanya's Climate

Compared to much of China, Sanya is warmer and more humid due to its coastal location. It is sunnier and less cold than northern cities and is similar in climate to tropical areas in Southeast Asia like Thailand and Vietnam.

Hourly UV Index Trend

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

Disclaimer

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