UV Index in Sumner
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 Sumner
Average daily maximum UV index by month
| Jan | 8 | Very High |
| Feb | 8 | Very High |
| Mar | 6 | High |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 1 | Low |
| Jul | 1 | Low |
| Aug | 1 | Low |
| Sep | 3 | Moderate |
| Oct | 5 | Moderate |
| Nov | 6 | High |
| Dec | 8 | Very High |
Best Months to Tan in Sumner
Based on average UV levels, the best months for tanning in Sumner are:
January Great
February Great
March Good
April Good
October Good
November Good
December Great
Rating based on average monthly UV index
Tanning Guide for Sumner
Tanning Tips
Sumner has a distinct tanning season from January to December. Winter UV is too low for effective tanning.
Related Guides
Frequently Asked Questions
What is the UV index in Sumner right now?
The current UV index in Sumner 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 Sumner?
The best months for tanning in Sumner are January, February, March, April, October, November, December, when average UV levels reach 5 or higher.
How long should I tan in Sumner?
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 Sumner?
UV levels in Sumner 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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