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UV Index in Portland

UV index


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Today's UV index in Portland, United States United States will be up to 7.6, 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 Portland's UV index reaching 7.6, 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.

Portland's UV Index

The UV index in Portland, USA, typically ranges from 2 in winter to 8 in summer, reaching its peak in July. This suggests that while some UV protection is necessary during summer months, the risk is much lower in the winter.

Weather Seasons

UV index

Portland experiences four distinct seasons. Winters are rainy and mild with average temperatures around 40°F (4°C), while summers are dry and warm with highs around 80°F (27°C). Spring and autumn are damp and cool transitions between the two.

Portland's Climate

Compared to its region and neighboring countries, Portland is relatively mild. It receives less rainfall than Seattle and has a more temperate climate than Vancouver, BC. Winters are warmer than those in many Canadian cities, and summers are cooler than those in nearby California.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Portland. 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 Portland (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.