Average Weather during December in Rio de Janeiro (Rio de Janeiro State), Brazil

The average minimum temperature (usually the minimum temperature is noted during the night) in Rio de Janeiro in December is 22.0°C (71.6°F). The amount of rain in December is high with an average of 137mm (5.4in). December is the most wet month of the year. The average maximum temperature lies around 28.0°C (82.4°F). During the night it can be very warm and sticky. With a water temperature of around 24.0°C (75.2°F), this is a great month to swim. You will see the sun occasionally during this month, it has 179 hours of sun.

So what to wear in December? Visitors traveling to Rio de Janeiro should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 22 °C
Max Temperature 28 °C
Water Temperature 24 °C
Chance of Rain 37%
Precipitation 137mm
Rainy Days 11
Sunshine Hours 179

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

More Climate Information For Rio de Janeiro

Weather and Climate offers all the information you need to know about the climate in Rio de Janeiro.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Brazil and climate and forecast data for all other countries in the world.