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San Isidro Climate by Month

San Isidro experiences great temperature shifts. The city's weather can transition from warm days to mild weather. It is also known for its large amounts of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in San Isidro is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 29°C in January to a moderate 15°C in the coolest month, July. Nights are cooler, with temperatures generally dropping to 8°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

San Isidro has a notably wet climate with abundant precipitation, recording 1106 mm of rainfall per year. San Isidro offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (123 mm) and August (74 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, San Isidro serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.5 hours of sunshine daily, and embrace the darker days in June, offering only 4.4 hours of daily sunlight.

Monthly hours of sunshine

Data from: Buenos Aires, Argentina (39 KM, 24 Miles).

Daily hours of sunshine

Data from: Buenos Aires, Argentina (39 KM, 24 Miles).

The best time of year to visit San Isidro in Argentina

During the months of April, October and November 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 San Isidro?
    January has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in San Isidro?
    The coldest month is July with an average maximum temperature of 15°C.
  • Which is the wettest month in San Isidro?
    October tops the wettest month list with 123 mm of rainfall.
  • Which is the driest month in San Isidro?
    August is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in San Isidro?
    January is the sunniest month with an average of 285 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 San Isidro

    Thu   Nov 21
    24°C | 18°C
    SE 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Nov 22
    26°C | 18°C
    E 22 km/h
    clear and no rain

    clear and no rain

    Sat   Nov 23
    27°C | 19°C
    E 18 km/h
    clear and no rain

    clear and no rain