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Porto Alegre weather in December (Rio Grande do Sul, Brazil)

Will it be rainy or sunny in Porto Alegre this December? Get all the weather information you need to plan your visit.

Temperatures

The month of December in Porto Alegre typically includes very high temperatures and high rainfall. December is typically considered a summer month. Anticipate daytime temperatures around 30°C, while night temperatures can drop to 19°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Precipitation

Porto Alegre in December usually receives high rainfall, averaging around 129 mm for the month. According to historical climate patterns, there are usually around 16 days of rain.

Average sunshine

With approximately 233 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Porto Alegre. April, May, June, July, August, September, October and November typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Brazil, check out our Porto Alegre's climate page.

Porto Alegre, monthly averages in December

Min TemperatureMin Temperature 19°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 53%  
PrecipitationPrecipitation 129 mm  
Rainy daysRainy days 16 days  
HumidityHumidity 69%  
WindspeedWindspeed 1 m/s  
SunshineSunshine 233 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Brazil in December

Find out more about the weather in Brazil and which places have the best travel conditions in this month.

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In December generally
tolerable weather
with very high temperatures
and high monthly rainfall

More information

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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Brazil, check out our Porto Alegre's climate page.

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Porto Alegre.

Our site offers climate and forecast data for every country in the world. Are you going to Brazil? On this website you can find 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.