Porto Alegre Weather in May

What's the weather like in Porto Alegre (Rio Grande do Sul) in May 2023?

The climate in Porto Alegre during May can be summarized as mild and a little damp.

May is in the fall / autumn in Porto Alegre and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 21°C (71°F), whilst at night 13°C (55°F) is normal.

Porto Alegre weather averages (imperial / metric)
Daytime temperature 21.4°C 70.5°F
Nightly temperature 12.6°C 54.7°F
Average temperature 17°C 62.6°F
Daily sunshine 5.8 hrs
Avg rainfall 95 mm 3.7 ins
Rainy days 14 days
Sea temperature 20.3°C 68.6°F
Humidity 81%
Windspeed 5.8kph 4 mph

On average May is the 2nd driest month of the year in Porto Alegre with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.8 hours of sunshine per day.

May temperatures in Porto Alegre

Porto Alegre average temperature in May

May rainfall

Porto Alegre average rain in May

May hourly sunshine

Porto Alegre average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Porto Alegre in May 2022.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Porto Alegre weather stats

Porto Alegre weather statistics
Hottest month: January 29.2°C 84.6°F
Driest month: April 92mm 3.6ins
Sunniest month: December 8.4hrs
Coldest month: June 18.6°C 65.5°F
Wettest month: September 141mm 5.6ins
Map showing location of Porto Alegre (-30.03306, -51.23)

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