Itatiaia Weather in December
What's the weather like in Itatiaia (Rio de Janeiro) in December 2024?
The climate in Itatiaia during December can be summarized as warm and very wet.
December is in the summer in Itatiaia and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 24.6°C 76.3°F |
|---|---|
| Nightly temperature | 14.8°C 58.6°F |
| Average temperature | 19.7°C 67.5°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 269 mm 10.6 ins |
| Rainy days | 23 days |
| Sea temperature | 24.8°C 76.6°F |
| Humidity | 82% |
| Windspeed | 9.4kph 6 mph |
On average December is the 2nd wettest month of the year in Itatiaia with around 269mm 10.6 inches of rain making it a very 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 4.9 hours of sunshine per day.
December temperatures in Itatiaia
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 Itatiaia in December 2024.
Other monthly averages
Best places to visit in December
Itatiaia weather stats
| Hottest month: | January | 25.6°C 78.1°F |
|---|---|---|
| Driest month: | July | 17mm 0.7ins |
| Sunniest month: | July | 7hrs |
| Coldest month: | July | 20.4°C 68.7°F |
| Wettest month: | January | 270mm 10.6ins |
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