UV Index in Portsmouth
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 Portsmouth
Average daily maximum UV index by month
Jan
1
Low
Feb
1
Low
Mar
2
Low
Apr
4
Moderate
May
5
Moderate
Jun
6
High
Jul
6
High
Aug
6
High
Sep
5
Moderate
Oct
4
Moderate
Nov
2
Low
Dec
1
Low
Best Months to Tan in Portsmouth
Based on average UV levels, the best months for tanning in Portsmouth are:
May Good
June Good
July Good
August Good
September Good
Rating based on average monthly UV index
Tanning Guide for Portsmouth
Portsmouth 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 Portsmouth right now?
The current UV index in Portsmouth 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 Portsmouth?
The best months for tanning in Portsmouth are May, June, July, August, September, when average UV levels reach 5 or higher.
How long should I tan in Portsmouth?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 6, a person with Skin Type III (medium complexion) can safely tan for about 25 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 6?
UV index 6 is classified as High. High — limit midday sun exposure. Use SPF 30+ and take breaks in shade.
When is the peak UV time in Portsmouth?
UV levels in Portsmouth 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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