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BrazilThe weather in March in Porto Alegre
It's hot in March in Porto Alegre with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 18°C and 22°C.
Looking for sun? March isn’t a good month to be in Porto Alegre. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March for Porto Alegre, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2020, Porto Alegre reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was 20°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 25°C.
Rainfall amount
In March, there is an average of 188 mm of precipitation, spread over 20 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in March for Porto Alegre
Click on any day in March to get detailed info about the usual weather on that day in Porto Alegre. Check out the historical temperatures and precipitation over the past 10 years on this day.
March weather comparison
| Porto Alegre | New York | |
|---|---|---|
| Average temperature | 31°C | 11°C |
| Max. temperature | 32°C | 14°C |
| Min. temperature | 18°C | -5°C |
| Total precipitation | 188 mm | 63 mm |
| Rainy days | 20 days | 10 days |
Start of March
The month of March starts in Porto Alegre with hot temps, averaging around 32°C during the day and nights around 22°C.
Mid March
By mid-March, daytime temps drop to around 31°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of March
By the end of March, the average daytime temperature in Porto Alegre is around 30°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Porto Alegre for all months and discover the best travel time
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.
Temperature charts
These charts show the average temperatures in March in Porto Alegre, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in March in Porto Alegre
Temperature in March in Porto Alegre over the years
Precipitation charts
These charts show the average amount of precipitation in March 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.
Daily Precipitation in March in Porto Alegre
Total precipitation in March in Porto Alegre over the years
Daily UV index in March in Porto Alegre
This chart shows the average daily UV index in March in Porto Alegre, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in March 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.