Maricá Weather in December
What's the weather like in Maricá (Rio de Janeiro) in December 2025?
The climate in Maricá during December can be summarized as hot, humid and wet.
December is in the summer in Maricá and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 28°C 82.3°F |
|---|---|
| Nightly temperature | 20.3°C 68.5°F |
| Average temperature | 24.1°C 75.4°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 172 mm 6.8 ins |
| Rainy days | 21 days |
| Sea temperature | 24.9°C 76.9°F |
| Humidity | 81% |
| Windspeed | 9.4kph 6 mph |
On average December is the wettest month of the year in Maricá with around 172mm 6.8 inches of rain making it a 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 5.7 hours of sunshine per day.
December temperatures in Maricá
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 Maricá in December 2025.
Other monthly averages
Best places to visit in December
Maricá weather stats
| Hottest month: | February | 29.6°C 85.3°F |
|---|---|---|
| Driest month: | July | 50mm 2ins |
| Sunniest month: | July | 6.4hrs |
| Coldest month: | July | 23.9°C 75°F |
| Wettest month: | December | 172mm 6.8ins |
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