UV Index
UV Index
Today's UV index in Cerritos, United States 
will be up to 10.8, 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: 2025-06-21
With a UV index of 10.8 in Cerritos, 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 Cerritos is generally moderate to high, especially during the summer months when the sun is strongest. It can reach very high levels on clear, sunny days.
Cerritos experiences warm summers with temperatures often in the 80s and 90s (Fahrenheit), and mild winters usually in the 40s and 50s. Rain mostly falls in winter, while summers are dry and sunny.
Compared to nearby Los Angeles, Cerritos is slightly warmer and less foggy. Its weather is similar to other Southern California cities but usually less humid than places along the coast or to the east.
See the UV index hour by hour for Cerritos, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.