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UV Index in Seattle, US

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Today's UV index in Seattle, United States United States will be up to 0.7, 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 Seattle, reaching up to 0.7. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Seattle Weather

Read more here about the climate and sun exposure in and around Seattle.

UV Index in Seattle

The UV index in Seattle typically ranges from low to moderate, reaching a maximum of 6 (out of 11) during the summer months. It’s important to protect yourself from the sun's harmful rays even on cloudy days. Wearing sunscreen, sunglasses, and a hat can help reduce the risk of sunburn and long-term skin damage.

Weather Seasons

UV index

Seattle experiences distinct weather seasons. In spring (March to May), temperatures range from 6 °C to 16 °C (43 °F to 61 °F) with variable rainfall. Summers (June to August) are mild, with temperatures averaging 13 °C to 24 °C (55 °F to 75 °F) and low humidity. Fall (September to November) brings cooler temperatures between 8 °C and 15 °C (46 °F to 59 °F) along with increased rainfall. Winters (December to February) are cool and wet, with temperatures ranging from 3 °C to 10 °C (37 °F to 50 °F) and occasional snowfall.

Seattle's Climate

Compared to other regions, Seattle has a relatively mild climate due to its proximity to the Pacific Ocean and the Cascade Mountains. It enjoys mild summers but experiences higher rainfall than many other parts of the United States. The cloud cover in Seattle helps protect from excessive sun exposure, but it remains important to ensure sun safety measures are employed to reduce the risk of UV radiation-related health issues.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Seattle. 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 Seattle (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.