The climate in Castelo do Piauí during April can be summarized as hot, humid and very wet.
April is in the fall / autumn in Castelo do Piauí and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 21°C (70°F) is normal.
Daytime temperature | 30.6°C 87.1°F |
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Nightly temperature | 21.2°C 70.2°F |
Average temperature | 25.9°C 78.6°F |
Daily sunshine | 6 hrs |
Avg rainfall | 233 mm 9.2 ins |
Rainy days | 28 days |
Sea temperature | 28.3°C 83°F |
Humidity | 80% |
Windspeed | 6.5kph 4 mph |
On average April is the 2nd wettest month of the year in Castelo do Piauí with around 233mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 28 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 Castelo do Piauí in April 2025.
Hottest month: | October | 34.6°C 94.3°F |
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Driest month: | August | 4mm 0.2ins |
Sunniest month: | August | 9.9hrs |
Coldest month: | May | 30.2°C 86.4°F |
Wettest month: | March | 275mm 10.8ins |