UV Index
UV Index
Today's UV index in Temecula, United States 
will be up to 9.9, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index of 9.9 in Temecula, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Temecula is usually moderate to high, often ranging from 5 to 10 during most of the year, with the highest values in summer months when the sun is strongest. Temecula experiences hot, dry summers with temperatures often above 90°F (32°C) and mild, wet winters with temperatures around 50-65°F (10-18°C). Rain mostly falls between November and March, while summers are mostly sunny and dry with little rainfall. Compared to other parts of southern California, Temecula is warmer and drier than coastal cities like San Diego but cooler and less hot than inland desert areas. Its weather is similar to nearby Riverside but generally hotter than coastal areas and cooler than the deserts to the east.
See the UV index hour by hour for Temecula, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.