Montevideo weather in January 2026

Expect daytime maximum temperatures of 82°F in Montevideo, Uruguay in January based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 3.1 inches of rainfall in the month.

  • 82°F maximum daytime temperature in January in Montevideo82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in January in Montevideo10
    10 days with some rainfall
  • 64°F minimum night-time temperature in January in Montevideo64
    64°F min night temperature
  • 14 hours of daylight per day in January in Montevideo14
    14 hours of daylight per day
  • Moderate heat & humidity in January in MontevideoM
    Moderate heat & humidity
  • 3.1 inches monthly rainfall in January in Montevideo3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Montevideo11
    11+ (Extreme) UV index
  • 73°F sea temperature in January in Montevideo73
    73°F sea temperature

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The January weather guide for Uruguay (Montevideo) 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 Montevideo in January?

Daytime temperatures usually reach 82°F in Montevideo in January with moderate heat and humidity, falling to 64°F at night.

How sunny is it in Montevideo in January?

There are normally 9 hours of bright sunshine each day in Montevideo in January - that's 66% of daylight hours.

How warm is the sea around Montevideo in January?

The average sea temperature around Montevideo in January is 73°F.

Does it rain in Montevideo in January?

There are usually 10 days with some rain in Montevideo in January and the average monthly rainfall is 3.1 inches.

Montevideo January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:35 20:02
Friday, 16th January 2026 05:48 20:01
Saturday, 31st January 2026 06:03 19:52

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