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San Isidro Temperatures: Monthly Averages and Year-Round Insights

On this page, we’ll explore San Isidro’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Argentina.

Monthly Temperature Averages

The weather in San Isidro experiences significant differences between warm and cold seasons, with big shifts in temperature. Typically, 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 temperatures generally dropping to 8°C, particularly during the colder months.

The chart below illustrates the average maximum day and minimum night temperatures in San Isidro by month:

The coldest temperatures are usually recorded between 4 AM and 6 AM, while the hottest temperatures occur near 3 PM, at the peak of the sun's warmth. January, the city’s warmest month, receives 285 hours of sunshine.

The chart below shows the average temperature throughout the year:

July, the city’s coldest month, sees about 75 mm of rainfall spread over roughly 8 days. It records 149 hours of sunshine of sunshine.

Annual Temperatures in Argentina Compared

The map below shows the annual temperature across Argentina. You can also select the different months in case you are interested in a specific month.

Annual
Map not visible? Whoops sorry! Please refresh the page.
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 32°C. Warm: 25°C to 32°C. Pleasant: 18°C to 25°C Moderate: 10°C to 18°C. Cold: 5°C to 10°C. Very cold: lower than 5°C

San Isidro Temperatures Compared World Wide

San Isidro’s average annual maximum temperature is 22°C. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, the average annual temperature is 21°C, offering warm summers and mild, rainy winters.

In Toronto, Canada, the average annual temperature is 13°C, with snowy winters and warm summers.

Beijing, China, experiences more extreme temperature shifts, but still averaging 20°C annually.

Adelaide, Australia, enjoys warm summers and mild winters, with an average annual temperature of 21°C.

How does the temperature feel?

Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.

In San Isidro, during the coolest month, July, you will experience 79% humidity, which is considered high. This is accompanied by an average maximum temperature of 15°C. In the warmest month, January, the humidity is 64% combined with an average maximum temperature of 29°C, which creates a high-feel temperature. Explore our detailed page on humidity levels for further details.

How are these Temperatures Measured?

Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.

This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.

Sea vs. Land Temperatures

The influence of nearby oceans or large water bodies significantly affects local temperatures:

  • Ocean Influence: Coastal regions tend to have more stable temperatures, as large bodies of water absorb and release heat slowly. This often results in milder winters and cooler summers compared to inland areas.
  • Continental Climates: Landmasses well away from large bodies of water tend to show greater extremes in temperature, having hotter summers and colder winters because of the absence of water as a moderating influence.

For more detailed information about San Isidro’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our San Isidro climate page.


Current temperature in San Isidro

Thu   Jan 30
30°C | 23°C
E 5 m/s
clear and no rain

clear and no rain

Fri   Jan 31
31°C | 22°C
E 4 m/s
almost clear and no rain

almost clear and no rain

Sat   Feb 01
34°C | 22°C
NE 5 m/s
clear and no rain

clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in San Isidro.

Our site offers climate and forecast data for every country in the world. Are you going to Argentina? On this website you can find historical weather averages for many cities in Argentina. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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