Weather in December in Brazil

Many people wonder what the weather conditions are in December in Brazil. Is this month a good time to go to Brazil? To answer that question we created this page with all the information you need.

What is the weather like in Brazil in December?

The weather in Brazil in December ranges from poor to perfect depending on the destination.

December has maximum daytime temperatures ranging from warm in Campos do Jordão with 22°C (72°F) to very warm temperatures in Petrolina with 35°C (95°F). Nighttime temperatures generally drop to 23°C (73°F) in Petrolina and 13°C (55°F) in Campos do Jordão. It is a very warm month in some areas, so be prepared and make sure to dress lightly.

Precipitation ranges from low in Macau with 11mm (0.4inch) rainfall to heavy in Altamira with 469mm (18inch) rainfall. December is the wettest month of the year. In general it is also a moderate sunny month with an average of 182 hours of sunshine in Rio de Janeiro during the whole month.

Where to go in Brazil in December

Find the average weather conditions in December for the most popular destinations in Brazil on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Brazil

What is the weather like in December for the 5 most popular destinations in Brazil?

Average weather in Rio de Janeiro

In December Rio de Janeiro generally has warm temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Rio de Janeiro
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
28°C / 82°F 
22°C / 71°F 
169 hours 
96mm / 3.8inch 
10 days 
29°C / 84°F 
23°C / 73°F 
182 hours 
137mm / 5.4inch 
11 days 
January   >> January
>>  
30°C / 87°F 
24°C / 74°F 
212 hours 
137mm / 5.4inch 
12 days 
Climate in Rio de Janeiro

Average weather in Sao Paulo

In December Sao Paulo generally has warm temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Sao Paulo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
27°C / 81°F 
17°C / 63°F 
163 hours 
145mm / 5.7inch 
11 days 
28°C / 82°F 
18°C / 64°F 
150 hours 
200mm / 7.9inch 
14 days 
January   >> January
>>  
28°C / 82°F 
19°C / 67°F 
170 hours 
290mm / 11inch 
15 days 
poor 
Climate in Sao Paulo

Average weather in Florianópolis

In December Florianópolis generally has warm temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (69°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

Florianópolis
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
26°C / 79°F 
19°C / 66°F 
186 hours 
153mm / 6inch 
13 days 
28°C / 82°F 
20°C / 69°F 
188 hours 
175mm / 6.9inch 
13 days 
January   >> January
>>  
29°C / 84°F 
21°C / 71°F 
178 hours 
255mm / 10inch 
16 days 
Climate in Florianópolis

Average weather in Gramado

In December Gramado generally has warm temperatures with maximum daytime temperatures around 23°C (74°F), minimum nighttime temperatures around 13°C (56°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

Gramado
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Weather conditions Weather
24°C / 74°F 
13°C / 55°F 
137mm / 5.4inch 
23°C / 74°F 
13°C / 56°F 
165mm / 6.5inch 
January   >> January
>>  
26°C / 79°F 
16°C / 61°F 
171mm / 6.7inch 
Climate in Gramado

Average weather in Fortaleza

In December Fortaleza generally has very warm temperatures with maximum daytime temperatures around 31°C (87°F), minimum nighttime temperatures around 25°C (76°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

Fortaleza
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
31°C / 87°F 
24°C / 76°F 
290 hours 
13mm / 0.5inch 
3 days 
31°C / 87°F 
25°C / 76°F 
261 hours 
50mm / 2inch 
6 days 
January   >> January
>>  
30°C / 87°F 
24°C / 76°F 
221 hours 
118mm / 4.6inch 
10 days 
Climate in Fortaleza

Is your destination not in the list? Have a look at other destinations in Brazil.

Is December the best time to go to Brazil?

In our opinion December is a good time to visit Brazil with commonly pleasant weather in Rio de Janeiro. However, the weather conditions may vary depending on your destination.

On average the best time to visit Brazil is in April, May, June, July, August, September, October and November with generally perfect weather in Rio de Janeiro. The worst months are January and February that can have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Brazil. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Brazil? Get detailed historical weather averages for many cities in Brazil.

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