UV Index
UV Index
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Today's UV index in Henderson, United States 
will be up to 2.4, indicating low 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.
Today, the UV index suggests low sun danger (0-2) in Henderson, reaching up to 2.4. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Henderson.
The UV index in Henderson ranges from 5 to 10, indicating moderate to very high levels of UV radiation. It is important to protect your skin by wearing sunscreen, sunglasses, and appropriate clothing when going outdoors, especially during peak hours (10am to 4pm). Remember to seek shade when possible.
Henderson experiences a hot desert climate with distinct seasons. Summers are scorching hot, with temperatures reaching up to 106 °F (41 °C) in July. Winters are mild to cool, averaging around 58 °F (14 °C) in January. Spring and fall offer more comfortable temperatures, with highs in the 70s °F (20s °C) and 80s °F (20s °C) respectively.
Compared to its region, Henderson has a higher sun exposure due to its location in the desert southwest. The city receives approximately 292 sunny days per year, which contributes to its dry and arid climate. However, nearby mountains provide some relief from extreme temperatures and offer opportunities for outdoor activities such as hiking and skiing.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Henderson. It's designed to provide you with a better understanding of the yearly weather and sun exposure.