São João do Piauí Weather in May
What's the weather like in São João do Piauí (Piauí) in May 2025?
The climate in São João do Piauí during May can be summarized as hot and very dry.
May is in the fall / autumn in São João do Piauí and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 32°C 89.6°F |
|---|---|
| Nightly temperature | 21.6°C 70.9°F |
| Average temperature | 26.8°C 80.2°F |
| Daily sunshine | 9.2 hrs |
| Avg rainfall | 8 mm 0.3 ins |
| Rainy days | 23 days |
| Sea temperature | 27.4°C 81.3°F |
| Humidity | 64% |
| Windspeed | 7.2kph 5 mph |
On average May is the 5th driest month of the year in São João do Piauí with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
May temperatures in São João do Piauí
May rainfall
May hourly sunshine
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 João do Piauí in May 2025.
Other monthly averages
São João do Piauí weather stats
| Hottest month: | October | 34.6°C 94.3°F |
|---|---|---|
| Driest month: | August | 1mm 0ins |
| Sunniest month: | August | 10.1hrs |
| Coldest month: | July | 32.1°C 89.8°F |
| Wettest month: | March | 149mm 5.9ins |
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