São João de Meriti Weather in December
What's the weather like in São João de Meriti (Rio de Janeiro) in December 2024?
The climate in São João de Meriti during December can be summarized as hot, humid and very wet.
December is in the summer in São João de Meriti and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29°C 84.1°F |
|---|---|
| Nightly temperature | 20.1°C 68.1°F |
| Average temperature | 24.5°C 76.1°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 261 mm 10.3 ins |
| Rainy days | 21 days |
| Sea temperature | 24.8°C 76.6°F |
| Humidity | 81% |
| Windspeed | 9kph 6 mph |
On average December is the wettest month of the year in São João de Meriti with around 261mm 10.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
December temperatures in São João de Meriti
December rainfall
December 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 December 2024.
Other monthly averages
Best places to visit in December
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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