Porto Alegre weather in January 2026

Expect daytime maximum temperatures of 84°F in Porto Alegre, Brazil in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 4.1 inches of rainfall in the month.

  • 84°F maximum daytime temperature in January in Porto Alegre84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in January in Porto Alegre19
    19 days with some rainfall
  • 68°F minimum night-time temperature in January in Porto Alegre68
    68°F min night temperature
  • 14 hours of daylight per day in January in Porto Alegre14
    14 hours of daylight per day
  • Moderate heat & humidity in January in Porto AlegreM
    Moderate heat & humidity
  • 4.1 inches monthly rainfall in January in Porto Alegre4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Porto Alegre11
    11+ (Extreme) UV index

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The January weather guide for Brazil (Porto Alegre) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Porto Alegre in January?

Daytime temperatures usually reach 84°F in Porto Alegre in January with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Porto Alegre in January?

There are normally 8 hours of bright sunshine each day in Porto Alegre in January - that's 56% of daylight hours.

Does it rain in Porto Alegre in January?

There are usually 19 days with some rain in Porto Alegre in January and the average monthly rainfall is 4.1 inches.

Porto Alegre January sunrise & sunset times

Browse the sunrise and sunset times for Porto Alegre in January 2026. Select a month to view Porto Alegre sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:27 19:30
Friday, 16th January 2026 05:39 19:30
Saturday, 31st January 2026 05:53 19:24

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