UV Index
UV Index
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Today's UV index in Irvine, United States 
will be up to 2.9, indicating a low 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, the UV index suggests low sun danger (0-2) in Irvine, reaching up to 2.9. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Irvine, United States, can reach a high of 11 during summer months. This is considered extreme and can cause skin and eye damage.
Irvine has four distinct seasons, with mild winters and hot, dry summers. Spring and fall are typically warm and pleasant. Winter temperatures rarely drop below freezing.
Compared to its region and neighboring countries, Irvine's weather is generally milder. Nearby cities like Los Angeles and San Diego also have Mediterranean climates, but Irvine is slightly warmer in the summer. In contrast, Canada and Mexico, bordering countries, have more extreme temperature variations.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Irvine. It's designed to provide you with a better understanding of the yearly weather and sun exposure.