UV Index in Bismarck
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 Bismarck
Average daily maximum UV index by month
Jan
1
Low
Feb
1
Low
Mar
3
Moderate
Apr
4
Moderate
May
6
High
Jun
7
High
Jul
7
High
Aug
7
High
Sep
6
High
Oct
4
Moderate
Nov
3
Moderate
Dec
1
Low
Best Months to Tan in Bismarck
Based on average UV levels, the best months for tanning in Bismarck are:
May Good
June Great
July Great
August Great
September Good
Rating based on average monthly UV index
Tanning Guide for Bismarck
Bismarck has a distinct tanning season from May to September. Winter UV is too low for effective tanning.
Related Guides
Frequently Asked Questions
What is the UV index in Bismarck right now?
The current UV index in Bismarck 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 Bismarck?
The best months for tanning in Bismarck are May, June, July, August, September, when average UV levels reach 5 or higher.
How long should I tan in Bismarck?
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 7?
UV index 7 is classified as High. High — limit midday sun exposure. Use SPF 30+ and take breaks in shade.
When is the peak UV time in Bismarck?
UV levels in Bismarck 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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