UV Index
UV Index
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Today's UV index in Sacramento, United States 
will be up to 5.2, 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 5.2 in Sacramento, 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 Sacramento, California, can reach high levels during the summer months, with readings often exceeding 9 on a scale of 11. This is due to the city's location in the Central Valley, which experiences intense sunshine and clear skies.
Sacramento has a Mediterranean climate, with hot, dry summers and mild, wet winters. Spring and autumn are transitional seasons, with temperatures gradually warming up or cooling down. Summer temperatures often exceed 32°C (90°F), while winter temperatures rarely drop below freezing.
Compared to its region and neighboring countries, Sacramento is relatively warm and dry. The city receives less rainfall than cities along the Pacific coast, such as San Francisco or Portland. Furthermore, compared to cities in Canada or Alaska, Sacramento experiences significantly warmer temperatures year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Sacramento. It's designed to provide you with a better understanding of the yearly weather and sun exposure.