Rio das Ostras Weather in December
What's the weather like in Rio das Ostras (Rio de Janeiro) in December 2024?
The climate in Rio das Ostras during December can be summarized as hot, humid and wet.
December is in the summer in Rio das Ostras and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 27.9°C 82.3°F |
|---|---|
| Nightly temperature | 20.7°C 69.2°F |
| Average temperature | 24.3°C 75.7°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 157 mm 6.2 ins |
| Rainy days | 21 days |
| Sea temperature | 25°C 77°F |
| Humidity | 83% |
| Windspeed | 8.8kph 5 mph |
On average December is the wettest month of the year in Rio das Ostras with around 157mm 6.2 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 6.2 hours of sunshine per day.
December temperatures in Rio das Ostras
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 Rio das Ostras in December 2024.
Other monthly averages
Best places to visit in December
Rio das Ostras weather stats
| Hottest month: | February | 29.3°C 84.7°F |
|---|---|---|
| Driest month: | August | 40mm 1.6ins |
| Sunniest month: | June | 7.2hrs |
| Coldest month: | July | 24.4°C 75.9°F |
| Wettest month: | December | 157mm 6.2ins |
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