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BrazilThe climate of Porto Alegre
The current climate in Porto Alegre features temperatures ranging from a high of 32°C to a low of 23°C throughout the year. The average yearly temperature is around 29°C. At night, temperatures in the colder months average around 12°C and in the warmer months around 22°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Porto Alegre, Brazil.
Temperature records
The highest temperature recorded in Porto Alegre in recent years was 41°C in October 2020. The lowest daytime temperature recorded was 9°C in August 2018.
Rainfall amount
On average, Porto Alegre receives 2124 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Best time to visit Porto Alegre?
The best time to visit Porto Alegre for sunny weather is June through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Porto Alegre. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Porto Alegre
The climate table of Porto Alegre shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 32 | 32 | 31 | 28 | 24 | 23 | 23 | 26 | 29 | 29 | 30 | 31 |
| Temp. min (°C) | 22 | 21 | 20 | 18 | 15 | 13 | 12 | 14 | 17 | 19 | 19 | 21 |
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| Precipitation (mm) | 213 | 210 | 188 | 159 | 126 | 115 | 72 | 104 | 109 | 244 | 314 | 270 |
| UV Index | 9 | 8 | 8 | 7 | 5 | 5 | 5 | 7 | 8 | 8 | 8 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Porto Alegre, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Porto Alegre
Yearly Temperature in Porto Alegre
Precipitation charts
These charts show the average amount of precipitation in Porto Alegre, Brazil. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Porto Alegre
Total Yearly Precipitation in Porto Alegre
UV index chart
This chart shows the average UV index per month in Porto Alegre, Brazil. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Porto Alegre
Weather experiences in Porto Alegre
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Average weather in Porto Alegre by month
Click on a month below to see detailed weather info for Porto Alegre. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.