UV Index in Porto Alegre

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
0
Low
UV Index
🌡️
15°C
Temperature
☁️
Overcast
Conditions

Hourly UV Forecast

0
6AM
0
7AM
0
8AM
1
9AM
1
10AM
2
11AM
2
12PM
2
1PM
2
2PM
2
3PM
1
4PM
0
5PM
0
6PM
0
7PM
0
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

16-Day UV Forecast

2
Mon 1
Poor
4
Tue 2
Good
4
Wed 3
Excellent
4
Thu 4
Excellent
4
Fri 5
Good
4
Sat 6
Good
3
Sun 7
Poor
3
Mon 8
Poor
1
Tue 9
Poor
3
Wed 10
Poor
4
Thu 11
Fair
1
Fri 12
Poor
4
Sat 13
Fair
2
Sun 14
Poor
1
Mon 15
0
Tue 16

Location & Climate

Porto Alegre has a UV index that peaks at 10, with a climate that offers distinct seasons, meaning tanning is best during warmer periods. Enjoy the sunshine on the shores of the Guaíba River or in city parks, but be mindful of the midday sun's strength, opting for early or late sessions.

Tanning Tips

Porto Alegre enjoys strong UV from spring through fall. Peak tanning season runs January to December, with UV often exceeding 8.

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Porto Alegre

Average daily maximum UV index by month

Jan
10
Feb
10
Mar
9
Apr
8
May
7
Jun
6
Jul
6
Aug
6
Sep
7
Oct
8
Nov
9
Dec
10
Low Moderate High Very High Extreme

Best Months to Tan in Porto Alegre

Based on average UV levels, the best months for tanning in Porto Alegre are:

January Excellent February Excellent March Excellent April Great May Great September Great October Great November Excellent December Excellent

Rating based on average monthly UV index

Related Guides

Tanning in UV 9-10+ → Aggressive Tanning — What to Know → Safe Tanning Tips → Foods That Help You Tan → Best Time of Day to Tan →

Tanning Tools & Calculators

☀️

Tanning Time Calculator

Calculate your ideal tanning time based on skin type and UV index

 🔥

Sunburn Calculator

Find out how long until you burn based on your skin type and current UV

 🎨

Skin Type Quiz

Discover your Fitzpatrick skin type and get personalized tanning advice

 📅

Tanning Routine Creator

Build a personalized tanning plan based on your skin, UV, and experience

Frequently Asked Questions

What is the UV index in Porto Alegre right now?
The current UV index in Porto Alegre 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 Alegre?
The best months for tanning in Porto Alegre are January, February, March, April, May, September, October, November, December, when average UV levels reach 7 or higher.
How long should I tan in Porto Alegre?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 9, a person with Skin Type III (medium complexion) can safely tan for about 17 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 10?
UV index 10 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 Alegre?
UV levels in Porto Alegre typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

UV Index in Nearby Cities

11
Florianopolis
Avg. Peak UV
› 11
Curitiba
Avg. Peak UV
› 10
Cabo Polonio
Avg. Peak UV
› 10
La Paloma
Avg. Peak UV
› 11
Iguazu
Avg. Peak UV
› 10
Jose Ignacio
Avg. Peak UV
›

Get Personalized Tanning Sessions

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

Download on the App Store Get it on Google Play