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BrazilThe weather in May in Porto Alegre
It's warm in May in Porto Alegre with an average temperature of 24°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 13°C and 18°C.
Looking for sun? May 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 May 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 33°C in 2018, Porto Alegre reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 11°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 22°C.
Rainfall amount
In May, there is an average of 126 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in May for Porto Alegre
Click on any day in May 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.
May weather comparison
| Porto Alegre | New York | |
|---|---|---|
| Average temperature | 24°C | 22°C |
| Max. temperature | 27°C | 28°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 126 mm | 105 mm |
| Rainy days | 15 days | 14 days |
Start of May
The month of May starts in Porto Alegre with warm temps, averaging around 26°C during the day and nights around 17°C.
Mid May
By mid-May, daytime temps drop to around 24°C, with nights around 14°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Porto Alegre is around 23°C, while nighttime temps are about 15°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 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 May 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 May in Porto Alegre
Temperature in May in Porto Alegre over the years
Precipitation charts
These charts show the average amount of precipitation in May 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 May in Porto Alegre
Total precipitation in May in Porto Alegre over the years
Daily UV index in May in Porto Alegre
This chart shows the average daily UV index in May 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 May 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.