The climate in São Sebastião during May can be summarized as hot, humid and wet.
May is in the fall / autumn in São Sebastião and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 21°C (69°F) is normal.
|Daytime temperature||28.2°C 82.8°F|
|Nightly temperature||20.8°C 69.4°F|
|Average temperature||24.5°C 76.1°F|
|Daily sunshine||6.2 hrs|
|Avg rainfall||172 mm 6.8 ins|
|Rainy days||27 days|
|Sea temperature||28°C 82.4°F|
|Windspeed||8.6kph 5 mph|
On average May is the wettest month of the year in São Sebastião with around 172mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 27 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 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 São Sebastião in May 2022.
|Hottest month:||January||31.5°C 88.7°F|
|Driest month:||November||25mm 1ins|
|Coldest month:||July||25.8°C 78.4°F|
|Wettest month:||May||172mm 6.8ins|