Rio Grande do Sul Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Rio Grande do Sul, Brazil in December.

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

What to Expect in Rio Grande do Sul in December

Rio Grande do Sul, Brazil 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.

Temperatures

During the day the temperature is warm in Capão da Canoa at 24°C (75°F) and very warm in São Borja at 33°C (91°F). As night falls, temperatures generally drop to 20°C (68°F) in São Borja and 20°C (68°F) in Capão da Canoa.

To explore the conditions in Rio Grande do Sul, Brazil in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Chuí with an average of 83 mm (3.3 in) to heavy rainfall in Cambará with 199 mm (7.8 in).

Explore Rio Grande do Sul by month

Pick a month to see the average temperature, rainfall and sunshine in Rio Grande do Sul — and find the best time to visit. (based on Gramado)

Best Places to Visit in Rio Grande do Sul in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio Grande do Sul.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Rio Grande do Sul

What is the weather like in December for some of the most popular destinations in Rio Grande do Sul, Brazil?

Temperature range in Rio Grande do Sul (December)

Precipitation variation in Rio Grande do Sul (December)

Gramado

In December Gramado generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 16°C (61°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
26°C (79°F)
28°C (82°F)
28°C (82°F)
Min temperature
14°C (57°F)
16°C (61°F)
17°C (63°F)
Monthly rainfall
163 mm (6.4 in)
189 mm (7.4 in)
216 mm (8.5 in)
Monthly rainy days
17 days
18 days
21 days
Weather conditions

Canela

In December Canela generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 16°C (61°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
26°C (79°F)
27°C (81°F)
28°C (82°F)
Min temperature
14°C (57°F)
16°C (61°F)
17°C (63°F)
Monthly rainfall
162 mm (6.4 in)
187 mm (7.4 in)
214 mm (8.4 in)
Monthly rainy days
17 days
18 days
21 days
Weather conditions

Porto Alegre

In December Porto Alegre generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
28°C (82°F)
30°C (86°F)
31°C (88°F)
Min temperature
17°C (63°F)
19°C (66°F)
21°C (70°F)
Monthly sun hours
217 hours
233 hours
228 hours
Monthly rainfall
126 mm (5 in)
129 mm (5.1 in)
141 mm (5.6 in)
Monthly rainy days
16 days
16 days
19 days
Weather conditions

Bento Gonçalves

In December Bento Gonçalves generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
27°C (81°F)
29°C (84°F)
29°C (84°F)
Min temperature
14°C (57°F)
17°C (63°F)
18°C (64°F)
Monthly rainfall
162 mm (6.4 in)
186 mm (7.3 in)
203 mm (8 in)
Monthly rainy days
16 days
17 days
20 days
Weather conditions

Nova Petrópolis

In December Nova Petrópolis generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
26°C (79°F)
28°C (82°F)
29°C (84°F)
Min temperature
14°C (57°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
217 hours
233 hours
228 hours
Monthly rainfall
167 mm (6.6 in)
190 mm (7.5 in)
216 mm (8.5 in)
Monthly rainy days
16 days
18 days
20 days
Weather conditions

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

Popular cities in December

Day & night temperatures, rainfall and average weather in Rio Grande do Sul in December.

City Weather Day temp Night temp Rainfall
Gramado 28°C (82°F) 16°C (61°F) 189 mm (7.4 in)
Canela 27°C (81°F) 16°C (61°F) 187 mm (7.4 in)
Porto Alegre 30°C (86°F) 19°C (66°F) 129 mm (5.1 in)
Bento Gonçalves 29°C (84°F) 17°C (63°F) 186 mm (7.3 in)
Nova Petrópolis 28°C (82°F) 17°C (63°F) 190 mm (7.5 in)
Capão da Canoa 24°C (75°F) 20°C (68°F) 136 mm (5.4 in)

Rio Grande do Sul weather in December: frequently asked questions

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

In December, Rio Grande do Sul, Brazil generally has tolerable weather conditions. Gramado sees daytime temperatures near 28°C (82°F), with nights cooling to roughly 16°C (61°F).

What is the average temperature in Rio Grande do Sul, Brazil in December?

Average temperatures in Rio Grande do Sul, Brazil during December range from a nighttime low near 16°C (61°F) to a daytime high around 28°C (82°F) in Gramado.

Does Rio Grande do Sul, Brazil get a lot of rain in December?

Rainfall in Rio Grande do Sul, Brazil peaks during December. Gramado averages roughly 189 mm (7.4 in), so frequent and sometimes heavy showers are the norm.

Is December a Good Time to Visit Rio Grande do Sul, Brazil?

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

On average, the best time to visit Rio Grande do Sul, Brazil 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.

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.

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