UV Index in Portland
Real-time UV forecast & tanning weather
Current Conditions
Loading live weather data...Weather data by Open-Meteo (CC BY 4.0)
Monthly UV Index in Portland
Average daily maximum UV index by month
Jan
3
Moderate
Feb
3
Moderate
Mar
4
Moderate
Apr
5
Moderate
May
7
High
Jun
8
Very High
Jul
8
Very High
Aug
8
Very High
Sep
7
High
Oct
5
Moderate
Nov
4
Moderate
Dec
3
Moderate
Best Months to Tan in Portland
Based on average UV levels, the best months for tanning in Portland are:
April Good
May Great
June Great
July Great
August Great
September Great
October Good
Rating based on average monthly UV index
Tanning Guide for Portland
Portland experiences moderate UV levels, with a strong tanning season stretching from April through October, though frequent cloud cover can interrupt sunny days. Maximize your sun exposure during the clear, warm summer months, ideally mid-day at uncovered spots like Cathedral Park.
Portland has a distinct tanning season from April to October. Winter UV is too low for effective tanning.
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Frequently Asked Questions
What is the UV index in Portland right now?
The current UV index in Portland is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.
What is the best month to tan in Portland?
The best months for tanning in Portland are April, May, June, July, August, September, October, when average UV levels reach 5 or higher.
How long should I tan in Portland?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 7, a person with Skin Type III (medium complexion) can safely tan for about 21 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 8?
UV index 8 is classified as Very High. Very High — avoid prolonged sun exposure. Short tanning sessions with SPF 50+ recommended.
When is the peak UV time in Portland?
UV levels in Portland typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.
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