Porto Alegre weather

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Usually in September
- 21
- 13
- 5
Weather by month
Now Today
- 29
- 7
5-day forecast

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather guide for Porto Alegre, Brazil shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Porto Alegre?

The hottest time of year in Porto Alegre is normally January. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Porto Alegre?

In terms of rainfall, September is usually the wettest month in Porto Alegre with 141mm on average. There are normally 18 days in September with some rain.

When is it sunniest in Porto Alegre?

The sunniest time of year in Porto Alegre is normally December with bright sunshine on average for 56% of daylight hours; that's 8 hours of sunshine per day.

Metric (°C / mm) | Imperial (°F / inches)

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Compare Porto Alegre weather with the USA

Below the Porto Alegre weather chart shows average maximum daytime temperature for Porto Alegre, Brazil and the USA (Washington).

Maximum daytime temperature (°C)

Porto Alegre, Brazil

USA (Washington)

Jan

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Metric (°C / mm) | Imperial (°F / inches)

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Destination

Where's hot in Brazil right now?

Below are the temperatures expected today at popular destinations in Brazil. Select a destination to compare today's forecast with average weather conditions.