The weather in October in Porto Alegre

It's warm in October in Porto Alegre with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 32°C. At night, you can expect temperatures between 16°C and 21°C.

Looking for sun? October 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 October 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 41°C in 2020, Porto Alegre reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 16°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 25°C.

Rainfall amount

In October, there is an average of 243 mm of precipitation, spread over 23 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in October for Porto Alegre

Click on any day in October 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.

October weather comparison

  Porto Alegre New York
Average temperature 29°C 21°C
Max. temperature 32°C 26°C
Min. temperature 16°C -5°C
Total precipitation 243 mm 119 mm
Rainy days 23 days 13 days

Start of October

The month of October starts in Porto Alegre with hot temps, averaging around 29°C during the day and nights around 18°C.

Mid October

By mid-October, daytime temps rise to around 31°C, with nights around 20°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of October

By the end of October, the average daytime temperature in Porto Alegre is around 30°C, while nighttime temps are about 19°C. There’s a significant chance of many days with precipitation.

Find affordable trips to Porto Alegre

UV index

The UV index is a maximum of 10 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 October 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 October in Porto Alegre

Temperature in October in Porto Alegre over the years

Precipitation charts

These charts show the average amount of precipitation in October 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 October in Porto Alegre

Total precipitation in October in Porto Alegre over the years

Daily UV index in October in Porto Alegre

This chart shows the average daily UV index in October 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 October 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.