The temperatures in Porto Alegre in May are comfortable with low of 13°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Porto Alegre during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Porto Alegre in May 2025.
If you’re planning to visit Porto Alegre in the near future, we highly recommend that you review the 14 day weather forecast for Porto Alegre before you arrive.
Temperatures
22° / 13°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
155
mm
Sun Hours
9.2
Hrs
