Rio Branco Weather in December

What's the weather like in Rio Branco (Acre) in December 2024?

The climate in Rio Branco during December can be summarized as hot, humid and very wet.

December is in the summer in Rio Branco and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.

Rio Branco weather averages (imperial / metric)
Daytime temperature 31.3°C 88.3°F
Nightly temperature 22°C 71.5°F
Average temperature 26.6°C 79.9°F
Daily sunshine 4 hrs
Avg rainfall 246 mm 9.7 ins
Rainy days 25 days
Sea temperature 23.5°C 74.3°F
Humidity 87%
Windspeed 4kph 2 mph

On average December is the 4th wettest month of the year in Rio Branco with around 246mm 9.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 25 days, although this may vary considerably.

On the flip side this corresponds to an average of 4 hours of sunshine per day.

December temperatures in Rio Branco

Rio Branco average temperature in December

December rainfall

Rio Branco average rain in December

December hourly sunshine

Rio Branco average rain in December

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 Branco in December 2024.

Other monthly averages

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Rio Branco weather stats

Rio Branco weather statistics
Hottest month: October 32.3°C 90.1°F
Driest month: July 32mm 1.3ins
Sunniest month: July 7.1hrs
Coldest month: June 30°C 86°F
Wettest month: January 281mm 11.1ins
Map showing location of Rio Branco (-9.97472, -67.81) Rio Branco map pin © Google

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