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Rio Grande do Sul weather in December

Thinking about venturing to Rio Grande do Sul this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Rio Grande do Sul in December?

Rio Grande do Sul is a region in Brazil. December in Rio Grande do Sul generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to heavy.

During the day the temperature is warm in Capão da Canoa at 24°C and very warm in São Borja at 33°C. As night falls, temperatures generally drop to 20°C in São Borja and 20°C in Capão da Canoa.

In December, precipitation varies across different areas. From moderate rainfall in Chuí with an average of 83 mm to heavy rainfall in Cambará with 199 mm.

To learn more about the conditions in specific areas of Rio Grande do Sul in December, check out the map below. For more details on the yearly weather, visit our Rio Grande do Sul climate page.

Where to go in Rio Grande do Sul in December

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

Map not visible? Whoops sorry! Please refresh the page.
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 in Rio Grande do Sul

What is the weather like in December for the 5 most popular destinations in Rio Grande do Sul?

Average weather in Gramado

In December Gramado generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 16°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Gramado
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 
14°C 
163 mm 
17 days 
28°C 
16°C 
189 mm 
18 days 
January   >> January
>>  
28°C 
17°C 
216 mm 
21 days 
Climate in Gramado

Average weather in Canela

In December Canela generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 16°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Canela
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 
14°C 
162 mm 
17 days 
27°C 
16°C 
187 mm 
18 days 
January   >> January
>>  
28°C 
17°C 
214 mm 
21 days 
Climate in Canela

Average weather in Porto Alegre

In December Porto Alegre generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 19°C and high monthly rainfall. So on average the conditions are tolerable that month.

Porto Alegre
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
28°C 
17°C 
217 hours 
126 mm 
16 days 
30°C 
19°C 
233 hours 
129 mm 
16 days 
January   >> January
>>  
31°C 
21°C 
228 hours 
141 mm 
19 days 
Climate in Porto Alegre

Average weather in Bento Gonçalves

In December Bento Gonçalves generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 17°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Bento Gonçalves
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
27°C 
14°C 
162 mm 
16 days 
29°C 
17°C 
186 mm 
17 days 
January   >> January
>>  
29°C 
18°C 
203 mm 
20 days 
Climate in Bento Gonçalves

Average weather in Nova Petrópolis

In December Nova Petrópolis generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 17°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Nova Petrópolis
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
26°C 
14°C 
217 hours 
167 mm 
16 days 
28°C 
17°C 
233 hours 
190 mm 
18 days 
January   >> January
>>  
29°C 
18°C 
228 hours 
216 mm 
20 days 
Climate in Nova Petrópolis

Is your destination not in the list? Have a look at other destinations in Rio Grande do Sul, in Brazil.

Is December the best time to visit Rio Grande do Sul?

Given the typically tolerable weather conditions in Gramado, December might be a good time to visit Rio Grande do Sul.

On average, the best time to visit Rio Grande do Sul is in March, April, May, August and November with generally pleasant weather in Gramado. In contrast, January, February and October tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio Grande do Sul. 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 climate conditions. Find out where to go with our weather planner.