Which is the hottest month in Porto Alegre?

The hottest time of year in Porto Alegre is normally January. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Porto Alegre?

In terms of rainfall, September is usually the wettest month in Porto Alegre with 141mm on average. There are normally 18 days in September with some rain.

When is it sunniest in Porto Alegre?

The sunniest time of year in Porto Alegre is normally December with bright sunshine on average for 56% of daylight hours; that's 8 hours of sunshine per day.

Best time to visit Porto Alegre

Q: When is the best time to visit Porto Alegre?

The best time to visit Porto Alegre is December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Porto Alegre and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Porto Alegre by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Brazil

Tiqets: Current special promotional offers

Sale

Save on popular museums, tourist attractions & more
Book attractions for top destinations in Europe & worldwide
Browse best promotional offers available by country

Go to Tiqets deal >>

View all Tiqets offers

When is the best time to visit Porto Alegre?

The best time to visit Porto Alegre is December based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
4
Mar
4
Apr
3
May
1.5
Jun
2
Jul
2.5
Aug
3
Sep
4
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°F)

84
Jan
84
Feb
82
Mar
77
Apr
70
May
66
Jun
66
Jul
68
Aug
70
Sep
75
Oct
79
Nov
82
Dec

Hours of Sunshine (daily)

8
Jan
7
Feb
6
Mar
6
Apr
5
May
5
Jun
5
Jul
5
Aug
5
Sep
7
Oct
7
Nov
8
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Brazil (Porto Alegre) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)