ClimateForecastDecemberJanuary >>

Montevideo Climate by Month

The best time to visit Montevideo in Uruguay are the warmer months and sunnier months from October to March.

Average day and night temperature

Visitors to Montevideo can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 27°C in January, the warmest time of the year, to a moderate 15°C during cooler months like July. At night, temperatures typically average around 8°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Montevideo is known for its substantial rainfall, with annual precipitation reaching 1163 mm. Year-round, Montevideo has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 117 mm, and the driest month, January, with 74 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Montevideo. While January receives considerable daily sunshine with up to 9.8 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.

Monthly hours of sunshine

Daily hours of sunshine

Average water temperature

The mean water temperature over the year in Montevideo ranges from 11°C in July to 24°C in January.

Water temperature over the year

The best time of year to visit Montevideo in Uruguay

During the months of March, April, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Montevideo?
    The hottest season / summer takes place in January, February, March and December.
  • Which is the warmest month in Montevideo?
    January has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Montevideo?
    The coldest month is July with an average maximum temperature of 15°C.
  • Which is the wettest month in Montevideo?
    October tops the wettest month list with 117 mm of rainfall.
  • Which is the driest month in Montevideo?
    January is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Montevideo?
    January is the sunniest month with an average of 293 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Montevideo

    Fri   Dec 13
    26°C | 18°C
    NE 18 km/h
    2.6 mm
    broken clouds and rain

    broken clouds and rain

    Sat   Dec 14
    25°C | 18°C
    SE 29 km/h
    4 mm
    broken clouds and rain

    broken clouds and rain

    Sun   Dec 15
    24°C | 18°C
    SE 25 km/h
    2.3 mm
    partly cloudy and rain

    partly cloudy and rain