Arraial do Cabo Weather in December

What's the weather like in Arraial do Cabo (Rio de Janeiro) in December 2022?

The climate in Arraial do Cabo during December can be summarized as hot, humid and damp.

December is in the summer in Arraial do Cabo and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 22°C (71°F) is normal.

Arraial do Cabo weather averages (imperial / metric)
Daytime temperature 27.8°C 82°F
Nightly temperature 21.5°C 70.6°F
Average temperature 24.6°C 76.3°F
Daily sunshine 6.6 hrs
Avg rainfall 108 mm 4.3 ins
Rainy days 21 days
Sea temperature 24.9°C 76.9°F
Humidity 83%
Windspeed 9kph 6 mph

On average December is the wettest month of the year in Arraial do Cabo with around 108mm 4.3 inches of rain making it a damp 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 6.6 hours of sunshine per day.

December temperatures in Arraial do Cabo

Arraial do Cabo average temperature in December

December rainfall

Arraial do Cabo average rain in December

December hourly sunshine

Arraial do Cabo 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 Arraial do Cabo in December 2022.

Other monthly averages

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Arraial do Cabo weather stats

Arraial do Cabo weather statistics
Hottest month: February 29°C 84.2°F
Driest month: August 37mm 1.5ins
Sunniest month: July 7.5hrs
Coldest month: July 24.4°C 75.9°F
Wettest month: December 108mm 4.3ins
Map showing location of Arraial do Cabo (-22.96611, -42.02778)

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