UV Index
UV Index
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Today's UV index in Riverside, United States 
will be up to 3, indicating moderate risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 3 in Riverside, 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.
Read more here about the climate and sun exposure in and around Riverside.
The UV index in Riverside, United States can reach high levels during the summer months, typically ranging from 8 to 10, which indicates very high to extreme UV radiation. It is crucial to protect your skin by wearing sunscreen, sunglasses, and a hat, especially between 10 am and 4 pm when the sun's rays are strongest.
Riverside experiences a Mediterranean climate, with hot and dry summers and mild winters. Summer temperatures average around 35 °C (95 °F), while winter temperatures range from 5 °C to 20 °C (41 °F to 68 °F). Spring and fall bring pleasant weather with temperatures between 15 °C and 30 °C (59 °F and 86 °F). Rainfall is limited, with most precipitation occurring during the winter months.
Compared to its region, Riverside enjoys more sun exposure due to its location in Southern California. The area has around 278 sunny days per year, higher than the national average. This makes Riverside an ideal place for outdoor activities and events. However, it is essential to be mindful of the high UV index and take necessary precautions to avoid overexposure to the sun.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Riverside. It's designed to provide you with a better understanding of the yearly weather and sun exposure.