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UV Index in Houston

UV index


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Today's UV index in Houston, United States United States will be up to 9.3, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index of 9.3 in Houston, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Houston's UV Index

The UV index in Houston can reach high levels, especially during the summer months. It's important to be aware of the UV index and take appropriate precautions to protect yourself from excessive sun exposure.

Weather Seasons

UV index

Houston has a humid subtropical climate, with hot, humid summers and mild winters. The city experiences two main seasons: a long, hot summer and a short, mild winter. Spring and fall are typically warm and pleasant, but can be prone to heavy rainfall.

Houston's Climate

Compared to its region and neighboring countries, Houston is generally warmer and more humid. The city's proximity to the Gulf of Mexico contributes to its high humidity and mild winters. In contrast, neighboring states like Oklahoma and Arkansas have more extreme temperature ranges and less humidity.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Houston. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Houston (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.