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Weather in December in Rio de Janeiro State

Planning a journey to Rio de Janeiro State this December and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Rio de Janeiro State in December?

Rio de Janeiro State is a region in Brazil. December in Rio de Janeiro State generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between warm in Arraial do Cabo at 26°C to very warm in Campos dos Goytacazes at 32°C. Nighttime temperatures generally drop to 23°C in Campos dos Goytacazes and 23°C in Arraial do Cabo. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Arraial do Cabo with an average of 108 mm to heavy rainfall in Visconde De Maua with 424 mm.

Average sunshine

Rio de Janeiro enjoys a balanced 182 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For a closer look at December's conditions in Rio de Janeiro State, see the map below. For a more detailed look at Rio de Janeiro State's yearly weather, check out our Rio de Janeiro State climate page.

Where to go in Rio de Janeiro State in December

Find more information for the most popular destinations in the Rio de Janeiro State on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in December for the 5 most popular destinations in Rio de Janeiro State?

Rio de Janeiro

In December Rio de Janeiro generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Rio de Janeiro
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
29°C 
22°C 
169 hours 
165 mm 
19 days 
30°C 
23°C 
182 hours 
181 mm 
21 days 
January   >> January
>>  
31°C 
24°C 
212 hours 
199 mm 
20 days 
Climate in Rio de Janeiro

Búzios

In December Búzios generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are pleasant that month.

Búzios
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
26°C 
22°C 
139 mm 
20 days 
27°C 
23°C 
136 mm 
21 days 
January   >> January
>>  
28°C 
24°C 
123 mm 
20 days 
Climate in Búzios

Paraty

In December Paraty generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.

Paraty
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
25°C 
20°C 
83 hours 
329 mm 
17 days 
poor 
27°C 
22°C 
92 hours 
418 mm 
20 days 
poor 
January   >> January
>>  
28°C 
23°C 
104 hours 
510 mm 
19 days 
poor 
Climate in Paraty

Cabo Frio

In December Cabo Frio generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are pleasant that month.

Cabo Frio
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
26°C 
22°C 
126 mm 
20 days 
27°C 
23°C 
124 mm 
21 days 
January   >> January
>>  
28°C 
24°C 
114 mm 
20 days 
Climate in Cabo Frio

Ilha Grande

In December Ilha Grande generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Ilha Grande
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
25°C 
21°C 
168 mm 
18 days 
27°C 
23°C 
181 mm 
21 days 
January   >> January
>>  
28°C 
24°C 
226 mm 
20 days 
Climate in Ilha Grande

Is your destination not in the list? Have a look at other destinations in Rio de Janeiro State, in Brazil.

Is December the best time to visit Rio de Janeiro State?

Given the typically unpleasant weather conditions in Rio de Janeiro, December may not be the ideal time to visit Rio de Janeiro State.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly perfect weather in Rio de Janeiro. On the other hand, the months of January and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio de Janeiro State. Interested in the weather conditions in a specific month? Select the month below.

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

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.