São João de Meriti Weather in March
What's the weather like in São João de Meriti (Rio de Janeiro) in March 2025?
The climate in São João de Meriti during March can be summarized as hot, humid and very wet.
March is in the fall / autumn in São João de Meriti and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 29.9°C 85.8°F |
|---|---|
| Nightly temperature | 20.5°C 68.9°F |
| Average temperature | 25.2°C 77.4°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 232 mm 9.1 ins |
| Rainy days | 15 days |
| Sea temperature | 26.3°C 79.3°F |
| Humidity | 82% |
| Windspeed | 8.3kph 5 mph |
On average March is the 3rd wettest month of the year in São João de Meriti with around 232mm 9.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
March temperatures in São João de Meriti
March rainfall
March 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 de Meriti in March 2025.
Other monthly averages
São João de Meriti weather stats
| Hottest month: | February | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | July | 67mm 2.6ins |
| Sunniest month: | July | 6.6hrs |
| Coldest month: | July | 24.8°C 76.6°F |
| Wettest month: | December | 261mm 10.3ins |
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