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San Isidro Weather and Climate: A Comprehensive Guide

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 maximum day and minimum night temperature

The climate in San Isidro is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C in January to a moderate 15°C in the coolest month, July.

Nights are cooler, with lows often dropping to around 8°C during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

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.

Visit our detailed sunshine hours page for more information.

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).

Forecast for San Isidro

Monday
3 Feb
Partly cloudy
Partly cloudy
34°C
0 mm
Tuesday
4 Feb
Cloudy
Cloudy
30°C
0.4 mm
Wednesday
5 Feb
Heavy rain
Heavy rain
24°C
31 mm

Select a Month of Interest

Check the conditions for any month of the year.

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.