The climate in Visconde do Rio Branco during December can be summarized as hot, humid and very wet.
December is in the summer in Visconde do Rio Branco and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 18°C (65°F) is normal.
Daytime temperature | 28.4°C 83°F |
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Nightly temperature | 18.3°C 64.9°F |
Average temperature | 23.3°C 73.9°F |
Daily sunshine | 5.1 hrs |
Avg rainfall | 291 mm 11.5 ins |
Rainy days | 23 days |
Sea temperature | 25.1°C 77.2°F |
Humidity | 82% |
Windspeed | 7.6kph 5 mph |
On average December is the wettest month of the year in Visconde do Rio Branco with around 291mm 11.5 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 5.1 hours of sunshine per day.
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 Visconde do Rio Branco in December 2025.
Best places to visit in December
Hottest month: | February | 30.5°C 86.9°F |
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Driest month: | August | 15mm 0.6ins |
Sunniest month: | July | 7.1hrs |
Coldest month: | July | 24.5°C 76.1°F |
Wettest month: | December | 291mm 11.5ins |