Angra dos Reis Weather in December
What's the weather like in Angra dos Reis (Rio de Janeiro) in December 2025?
The climate in Angra dos Reis during December can be summarized as hot, humid and very wet.
December is in the summer in Angra dos Reis 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 | 28.9°C 83.9°F |
|---|---|
| Nightly temperature | 20°C 67.9°F |
| Average temperature | 24.4°C 75.9°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 228 mm 9 ins |
| Rainy days | 20 days |
| Sea temperature | 24.7°C 76.5°F |
| Humidity | 81% |
| Windspeed | 9.4kph 6 mph |
On average December is the 2nd wettest month of the year in Angra dos Reis with around 228mm 9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
December temperatures in Angra dos Reis
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 Angra dos Reis in December 2025.
Other monthly averages
Best places to visit in December
Angra dos Reis weather stats
| Hottest month: | February | 30.2°C 86.4°F |
|---|---|---|
| Driest month: | July | 50mm 2ins |
| Sunniest month: | July | 5.9hrs |
| Coldest month: | July | 24.3°C 75.7°F |
| Wettest month: | January | 234mm 9.2ins |
© Google