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Houston UV Index Today

Day Summary

The UV index in Houston, United States Flag of United States will reach a high of 9.7 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-14

Hourly Forecast Chart

Today's Safety Tips

The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.

Houston's UV Index

Houston usually has a UV index that ranges from moderate to very high, especially in summer months when the sun is strongest. This means the sun's rays can be intense during the middle of the day.

Weather Seasons

UV index

Houston experiences hot, humid summers and mild winters. It often gets rain in spring and fall, with occasional thunderstorms. Winters are short and not very cold compared to many other places in the U.S.

Houston's Climate

Compared to nearby cities like Dallas or Austin, Houston is more humid because it is closer to the Gulf of Mexico. It gets more rain and has warmer winters than places further north or west in Texas.

Hourly UV Index Trend

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

Disclaimer

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