UV Index
UV Index
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Today's UV index in Oakland, United States 
will be up to 7.7, indicating a 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.
With Oakland's UV index reaching 7.7, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Oakland, USA, averages 3-7 from November to February, and 8-10 from May to August, reaching its peak in July.
Oakland has a Mediterranean climate, with warm, dry summers and mild, wet winters. The city experiences around 260 sunny days per year.
Compared to its region, Oakland is relatively mild and wet, receiving more rainfall than other parts of California. Neighboring countries, such as Mexico, have a much hotter and drier climate, particularly in the north.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Oakland. It's designed to provide you with a better understanding of the yearly weather and sun exposure.