Low
No protection needed
If you're spending time outside in Los Angeles, California, checking the UV Index before heading out can be just as useful as checking the temperature. Los Angeles is known for its sunshine, but a warm or comfortable day doesn't always tell you how strong the sun's ultraviolet radiation will be.
The Los Angeles UV Index shows the strength of UV radiation reaching the ground at a particular time. The higher the index, the greater the potential for sun exposure to affect unprotected skin. UV levels can change considerably throughout the day, so knowing the day's maximum isn't always enough if you're planning to be outside for several hours.
For most of the year, the strongest UV levels in Los Angeles occur around the middle of the day, when the sun is highest in the sky. This is particularly noticeable during spring and summer, when longer days and a higher sun position can produce high or very high UV levels. Even in cooler months, however, sunny conditions can still bring enough UV exposure to make checking the forecast worthwhile.
The weather can sometimes be misleading. Los Angeles may have a cool morning, marine layer, or some cloud cover, but that doesn't automatically mean UV radiation is low. Clouds can reduce UV levels, but they don't completely eliminate ultraviolet exposure. That's why checking the UV Index today in Los Angeles gives you a better idea of the conditions than relying on temperature alone.
This can be especially helpful if you're planning a day outdoors. A morning walk along the beach, a hike in Griffith Park, an afternoon in Santa Monica, or simply spending time outside can result in much more sun exposure than expected. If the UV Index is high, finding some shade during the strongest part of the day, wearing sunglasses and protective clothing, and applying sunscreen to exposed skin can make outdoor time more comfortable.
The hourly UV Index in Los Angeles is also useful when deciding when to go outside. UV levels are generally lower in the early morning and later afternoon than around solar noon. If you have flexibility with your plans, choosing a time when UV radiation is lower can help reduce unnecessary exposure.
Los Angeles also has a different UV pattern from many cities farther north. Its relatively mild climate means people can spend time outdoors throughout much of the year, while the region's sunny conditions can produce significant UV levels outside the traditional summer season.
Before heading out, take a quick look at the Los Angeles UV Index today and check the hourly forecast if you'll be outside for a long period. Whether you're heading to the beach, going for a hike, exercising outdoors, or exploring the city, knowing the UV level can help you plan your day more comfortably and stay aware of the sun.
Check the current Los Angeles UV Index and hourly UV forecast to see when the sun is expected to be strongest today.