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April Weather in San Isidro, Mexico

Last updated: August 27, 2025

In April, the average temperature in San Isidro, Mexico is a warm 26°C (79°F). Expect a minimum of 18°C (64°F) and a maximum of 35°C (96°F), making it a pleasant time to explore. However, be prepared for 39 mm (1.5 in) of precipitation over approximately 7 days. With an average humidity of 67%, the clima may feel quite tropical!

April Temperature in San Isidro

In April in San Isidro, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 18°C (64°F). This makes it an ideal time for travelers who enjoy warm weather and comfortable evenings.

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 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec757678797977787777777775
Data source: Temperature data for San Isidro generated using information from the Copernicus Climate Change Service.
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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 precipitation amount is 39 mm (1.5 in) over the course of 7 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 39 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec331139176327277355391323384
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Isidro

In San Isidro in April, humidity is 67%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky but manageable; it's best to plan sightseeing for the cooler mornings or late afternoons to fully enjoy your travels.

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 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
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 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Isidro, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141414131312109
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 Weather24°C (75°F)3 mm (0.1 inches)70%very high
February Weather25°C (77°F)3 mm (0.1 inches)68%extreme
March Weather26°C (78°F)11 mm (0.4 inches)64%extreme
April Weather26°C (79°F)39 mm (1.5 inches)67%extreme
May Weather26°C (79°F)176 mm (6.9 inches)74%extreme
June Weather25°C (78°F)327 mm (12.9 inches)78%extreme
July Weather26°C (78°F)277 mm (10.9 inches)81%extreme
August Weather25°C (78°F)355 mm (14.0 inches)82%extreme
September Weather25°C (77°F)391 mm (15.4 inches)80%extreme
October Weather25°C (77°F)323 mm (12.7 inches)81%extreme
November Weather25°C (77°F)38 mm (1.5 inches)80%very high
December Weather24°C (76°F)4 mm (0.2 inches)75%very high

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