The climate in São Francisco during May can be summarized as warm, humid and dry.
May is in the fall / autumn in São Francisco and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 14°C (57°F) is normal.
Daytime temperature | 30.4°C 86.6°F |
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Nightly temperature | 14.1°C 57.3°F |
Average temperature | 22.2°C 72°F |
Daily sunshine | 9 hrs |
Avg rainfall | 15 mm 0.6 ins |
Rainy days | 7 days |
Sea temperature | 25.7°C 78.2°F |
Humidity | 75% |
Windspeed | 6.1kph 4 mph |
On average May is the 4th driest month of the year in São Francisco with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 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 Francisco in May 2025.
Hottest month: | October | 33.1°C 91.6°F |
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Driest month: | July | 3mm 0.1ins |
Sunniest month: | August | 9.6hrs |
Coldest month: | July | 29.2°C 84.6°F |
Wettest month: | December | 248mm 9.8ins |