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UV Index in Seattle

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Today's UV index in Seattle, 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 Seattle'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.

Seattle's UV Index

The UV index in Seattle varies throughout the year, with the highest levels typically occurring from May to August. Despite its northern location, the city's cloud cover and fog can result in a lower UV index compared to other parts of the country during the summer months.

Weather Seasons

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Seattle has a marine west coast climate, characterized by mild, wet winters and cool, relatively dry summers. The city experiences two main seasons, with the majority of its annual precipitation falling between October and May. Summer is the driest season, but short showers can still occur.

Seattle's Climate

Compared to its region and neighboring countries, Seattle's climate is quite unique. The city is much wetter than nearby Portland, Oregon and significantly less rainy than Vancouver, British Columbia. In contrast, cities in the southeastern United States and Mexico typically have hotter climates with higher humidity. Seattle's marine climate and lower temperatures are influenced by its coastal location and proximity to the Pacific Ocean.

Annual Sun Radiation

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