UV Index in Porto
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 Porto
Average daily maximum UV index by month
Jan
2
Low
Feb
3
Moderate
Mar
4
Moderate
Apr
6
High
May
7
High
Jun
8
Very High
Jul
9
Very High
Aug
8
Very High
Sep
6
High
Oct
4
Moderate
Nov
2
Low
Dec
1
Low
Best Months to Tan in Porto
Based on average UV levels, the best months for tanning in Porto are:
April Good
May Great
June Great
July Excellent
August Great
September Good
Rating based on average monthly UV index
Tanning Guide for Porto
Porto has a solid tanning season from April to September, with UV levels reaching good heights in summer, though it can be cloudier than southern Portugal. Seek out the sunniest spots along the Douro River or head to Foz do Douro for coastal tanning.
Porto has a distinct tanning season from April to September. Winter UV is too low for effective tanning.
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Frequently Asked Questions
What is the UV index in Porto right now?
The current UV index in Porto 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 Porto?
The best months for tanning in Porto are April, May, June, July, August, September, when average UV levels reach 5 or higher.
How long should I tan in Porto?
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 9?
UV index 9 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 Porto?
UV levels in Porto 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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