UV Index in Porto

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
3
Moderate
UV Index
🌡️
22°C
Temperature
🌤️
Mostly Cloudy
Conditions
☀️
Peak Tanning Window 1PM • UV 6

Hourly UV Forecast

☀️ Excellent tanning conditions 11AM–6PM 25°C • 11 km/h 🌬️
0
6AM
0
7AM
1
8AM
2
9AM
3
NOW
4
11AM
5
12PM
6
1PM
5
2PM
5
3PM
6
4PM
4
5PM
2
6PM
1
7PM
0
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

Daily UV Forecast

6
Wed 22
Excellent
9
Thu 23
Excellent
7
Fri 24
Excellent
7
Sat 25
Excellent
9
Sun 26
Excellent
9
Mon 27
Excellent
8
Tue 28
Excellent
9
Wed 29
Excellent
8
Thu 30
Excellent
9
Fri 31
Excellent

Location & Climate

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.

Tanning Tips

Porto has a distinct tanning season from April to September. Winter UV is too low for effective tanning.

Weather data by Apple Weather

Monthly UV Index in Porto

Average daily maximum UV index by month

Jan
2
Feb
3
Mar
4
Apr
6
May
7
Jun
8
Jul
9
Aug
8
Sep
6
Oct
4
Nov
2
Dec
1
Low Moderate High Very High Extreme

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

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.

Get Personalized Tanning Sessions

Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.