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UV Index in Fresno

UV index


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Today's UV index in Fresno, United States United States will be up to 9.8, 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 9.8 in Fresno, 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.

Fresno's UV Index

The UV index in Fresno can reach high levels during the summer, making it essential to take sun protection measures. Fresno experiences a Mediterranean climate, with hot, dry summers and mild, wet winters. Spring and autumn are mild and transitionary.

Weather Seasons

UV index

Compared to the rest of the United States, Fresno's weather is relatively extreme, with hotter summers and colder winters than many other regions. However, it is milder than neighboring desert areas and Canadian or Northern European climates.

Fresno's Climate

Fresno's weather is typical of California's Central Valley, with hot summers and mild winters. However, it is drier than coastal California cities, and experiences less rainfall than the Pacific Northwest or Eastern United States. Despite this, Fresno's climate is still more moderate than many parts of the world, including much of Mexico and Canada.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Fresno. 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 Fresno (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.