UV Index
UV Index
Today's UV index in Sacramento, United States 
will be up to 8.3, 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 8.3 in Sacramento, 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.
Sacramento's UV index is high in summer, often reaching 8 to 10, indicating strong sun exposure. In winter, the UV index drops to about 2 to 4, showing weaker sunlight.
Sacramento has hot, dry summers with temperatures often above 90°F (32°C) and mild, wetter winters with temperatures averaging around 50°F (10°C). Rain mostly falls from November to March, with very little rain in summer.
Compared to nearby San Francisco, Sacramento is hotter and drier, especially in summer. It gets less rain than cities in the northern part of California but more sun and heat than coastal areas and neighboring Oregon.
See the UV index hour by hour for Sacramento, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.