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.
|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|
|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.
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.
|Hottest month:||January||29.2°C 84.6°F|
|Driest month:||April||92mm 3.6ins|
|Coldest month:||June||18.6°C 65.5°F|
|Wettest month:||September||141mm 5.6ins|