April Weather in San Isidro, Argentina

Last updated: August 22, 2025

In San Isidro, Argentina, the average temperature in April hovers around 19°C (66°F). During this time, expect a minimum of 6°C (44°F) and a maximum of 29°C (84°F). The weather can be a bit moist, with an average precipitation of 82 mm (3.2 in) over approximately 8 days. Moreover, humidity levels tend to remain high at 80%, making for a rather sticky atmosphere.

April Temperature in San Isidro

In April in San Isidro, the average temperature is 19°C (66°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as 6°C (44°F). This pleasant climate makes San Isidro an ideal destination for travelers seeking diverse weather experiences.

April Weather in San Isidro: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, April typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec767471665954525459636973
Data source: Temperature data for San Isidro generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in San Isidro

In San Isidro in April, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

April Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Isidro, April typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5972778280667551861037766
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in San Isidro

In San Isidro in April humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

April Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Isidro is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Isidro

In San Isidro in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for April

The chart shows the monthly maximum UV Index (UVI) for San Isidro in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in San Isidro typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468101314
Data source: San Isidro April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in San Isidro Compares to Other Months

Weather in San Isidro varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Isidro, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Isidro, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)59 mm (2.3 inches)50%extreme
February Weather23°C (75°F)72 mm (2.9 inches)61%extreme
March Weather22°C (71°F)77 mm (3.0 inches)66%extreme
April Weather19°C (66°F)82 mm (3.2 inches)80%high
May Weather15°C (59°F)80 mm (3.2 inches)85%moderate
June Weather12°C (54°F)66 mm (2.6 inches)80%moderate
July Weather11°C (52°F)75 mm (3.0 inches)69%moderate
August Weather12°C (55°F)51 mm (2.0 inches)66%high
September Weather15°C (59°F)86 mm (3.4 inches)72%very high
October Weather17°C (63°F)103 mm (4.1 inches)63%very high
November Weather21°C (69°F)77 mm (3.0 inches)59%extreme
December Weather23°C (73°F)66 mm (2.6 inches)56%extreme

Compare San Isidro's Climate with Cities Worldwide