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Today's UV index in Fresno, United States will be up to 4.5, indicating a moderate 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.
With a UV index reaching up to 4.5 in Fresno, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
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.
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 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.
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.