UV Index
UV Index
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Today's UV index in Los Angeles, United States 
will be up to 3.6, 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 3.6 in Los Angeles, 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 Los Angeles can reach high levels, especially during the summer months. This is due to the city's location near the equator and its dry, sunny climate. It's important to be aware of UV levels when planning outdoor activities.
Los Angeles has a Mediterranean climate, with two main seasons: dry and wet. The dry season lasts from April to October, with warm temperatures and little rain. The wet season runs from November to March, with cooler temperatures and occasional rain. However, rainfall is generally low compared to other parts of the country.
Compared to its region and neighboring countries, Los Angeles is unique for its mild, dry climate. While much of the western US experiences hot, arid summers and cold winters, Los Angeles' coastal location tempers its temperatures. In contrast, countries further south, like Mexico, have a tropical climate with higher temperatures and rainfall throughout the year.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Los Angeles. It's designed to provide you with a better understanding of the yearly weather and sun exposure.