Riachão Weather in April
What's the weather like in Riachão (Maranhão) in April 2025?
The climate in Riachão during April can be summarized as hot, humid and wet.
April is in the fall / autumn in Riachão and is typically the 5th warmest 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 | 30.5°C 86.8°F |
|---|---|
| Nightly temperature | 21°C 69.7°F |
| Average temperature | 25.7°C 78.3°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 151 mm 5.9 ins |
| Rainy days | 23 days |
| Sea temperature | 27.6°C 81.6°F |
| Humidity | 81% |
| Windspeed | 5kph 3 mph |
On average April is the 6th wettest month of the year in Riachão with around 151mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
April temperatures in Riachão
April rainfall
April 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 Riachão in April 2025.
Other monthly averages
Riachão weather stats
| Hottest month: | September | 33.8°C 92.8°F |
|---|---|---|
| Driest month: | July | 8mm 0.3ins |
| Sunniest month: | July | 9.8hrs |
| Coldest month: | January | 29.5°C 85.1°F |
| Wettest month: | March | 215mm 8.5ins |
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