UV Index
UV Index
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Today's UV index in Denver, United States 
will be up to 2, 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 Denver, reaching up to 2. 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 Denver.
The UV index in Denver can vary throughout the year. During the summer months, when the sun is at its strongest, the UV index in Denver can reach high levels, typically ranging from 8 to 10 (very high to extreme). This means there is a high risk of sunburn and skin damage, so it's important to protect yourself by wearing sunscreen, hats, and sunglasses.
Denver experiences four distinct seasons: spring, summer, autumn, and winter. Spring and autumn tend to be transitional periods, with mild temperatures ranging from around 5-15 °C (40-60 °F). Summers in Denver are generally hot and dry, with temperatures averaging between 25-30 °C (75-85 °F). Winters can be cold and snowy, with temperatures dropping to around -5 to 5 °C (20-40 °F).
Compared to other regions, Denver enjoys a high number of sunny days throughout the year. With over 300 days of sunshine annually, Denver's sun exposure is significantly higher than many other cities in the United States. However, due to its higher elevation of about 1,600 meters (5,280 feet), the sun's rays are stronger and the air is thinner, increasing the risk of UV exposure and potential sunburn. It is essential to take appropriate measures to protect yourself from the sun's harmful effects.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Denver. It's designed to provide you with a better understanding of the yearly weather and sun exposure.