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UV Index in Fresno, US

UV index


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Today's UV index in Fresno, United States United States will be up to 2.2, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

Today, the UV index suggests low sun danger (0-2) in Fresno, reaching up to 2.2. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Fresno Weather

Read more here about the climate and sun exposure in and around Fresno.

UV Index in Fresno

The UV index in Fresno can range from moderate to high throughout the year. During summer (June-August), the UV index is usually at its highest, reaching levels of 10 or above, which is considered very high (extreme). It is important to protect yourself from harmful UV rays by wearing sunscreen, sunglasses, and protective clothing when spending time outdoors.

Weather Seasons

UV index

Fresno experiences distinct seasons, with hot and dry summers, mild and wet winters, and pleasant springs and autumns. Summer temperatures average around 35-40 °C (95-104 °F) during the day, while winter temperatures average around 10-15 °C (50-59 °F) during the day. Rainfall tends to be concentrated in the winter months, with occasional showers and thunderstorms.

Fresno's Climate

Compared to other parts of the region, Fresno has more sunny days and relatively low humidity levels. The city benefits from its geographical location, giving it a Mediterranean climate. Compared to coastal cities, such as Los Angeles or San Francisco, Fresno experiences hotter summers and colder winters, but also enjoys a higher number of sunny days throughout the year.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day 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.