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UV Index in Washington, D.C., US

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Today's UV index in Washington, D.C., United States United States will be up to 1.8, 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's tips

Today, the UV index suggests low sun danger (0-2) in Washington, D.C., reaching up to 1.8. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Washington, D.C. Weather

Read more here about the climate and sun exposure in and around Washington, D.C..

UV Index in Washington, D.C.

The UV index in Washington, D.C. ranges from moderate to high, with the highest values occurring during the summer months. The index measures the intensity of ultraviolet radiation from the sun and serves as a guide to help protect against the harmful effects of UV rays. It is important to take precautions such as wearing sunscreen, sunglasses, and protective clothing to avoid sunburn and reduce the risk of skin cancer.

Weather Seasons

UV index

Washington, D.C. experiences four distinct seasons: spring, summer, fall, and winter. Spring brings mild temperatures ranging from 10 °C to 20 °C (50 °F to 68 °F), with occasional rain showers. Summers are hot and humid, with temperatures averaging around 25 °C to 35 °C (77 °F to 95 °F), and thunderstorms are common. Fall is beautiful, with pleasant temperatures ranging from 10 °C to 25 °C (50 °F to 77 °F), and colorful foliage. Winters can be cold, with temperatures ranging from -1 °C to 10 °C (30 °F to 50 °F) and occasional snowfall.

Washington, D.C.'s Climate

Compared to its region, Washington, D.C. generally has more sunny days and higher levels of sun exposure. It is located in the Mid-Atlantic region of the United States, where summers can be hot and humid, and winters can be chilly. The city experiences more sunshine hours per year compared to some of its neighboring areas. It is important to keep in mind the intensity of the sun's rays and take necessary precautions to prevent sunburn and protect the skin, regardless of the time of year.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Washington, D.C.. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Washington, D.C. (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.