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UV Index in Washington, D.C.

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Today's UV index in Washington, D.C., United States United States will be up to 6.2, indicating a high 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.

 

Today's tips

With Washington, D.C.'s UV index reaching 6.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.

Washington, D.C.'s UV Index

The UV index in Washington, D.C. can reach a high of 9 during summer months, while in winter it averages around 2. This variation is due to the city's humid subtropical climate.

Weather Seasons

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Washington, D.C. experiences four distinct seasons. Spring brings pleasant temperatures and blooming cherry blossoms. Summers are hot and humid, with temperatures often exceeding 32°C. Autumn sees cooler weather and vibrant fall foliage. Winters are cold, with occasional snowfall.

Washington, D.C.'s Climate

Compared to its region and neighboring countries, Washington, D.C.'s weather is mild. The city is warmer than northern states in the US during winter, but cooler than southern states. It's also warmer than cities in southern Canada during summer months, but cooler than many cities in Mexico.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month 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.

Disclaimer

* 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.