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Gualeguaychú Climate by Month

Gualeguaychú experiences great temperature shifts. The city's weather can transition from very warm days to mild weather. It also experiences much rainfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The climate in Gualeguaychú is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 32°C in January. In July, the coolest month of the year, temperatures drop to a moderate 17°C. At night, expect cooler temperatures, averaging 7°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Gualeguaychú has a notably wet climate with abundant precipitation, recording 1270 mm of rainfall per year. Gualeguaychú experiences moderate seasonal variation in rainfall, with monthly averages ranging from 136 mm in April, the wettest month, and 66 mm in July, the driest month.

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

Sunshine over the year

Gualeguaychú can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 4.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Mercedes, Uruguay (49 KM, 30 Miles).

Daily hours of sunshine

Data from: Mercedes, Uruguay (49 KM, 30 Miles).

The best time of year to visit Gualeguaychú in Argentina

During the months of April, May, September and October 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:
  • Which is the warmest month in Gualeguaychú?
    January has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Gualeguaychú?
    The coldest month is July with an average maximum temperature of 17°C.
  • Which is the wettest month in Gualeguaychú?
    April tops the wettest month list with 136 mm of rainfall.
  • Which is the driest month in Gualeguaychú?
    July is the driest month with 66 mm of precipitation.
  • Which is the sunniest month in Gualeguaychú?
    January is the sunniest month with an average of 289 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 Gualeguaychú

    Thu   Nov 21
    27°C | 15°C
    E 18 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Nov 22
    29°C | 16°C
    E 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    32°C | 17°C
    NE 18 km/h
    almost clear and no rain

    almost clear and no rain