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April Weather in San Isidro, Mexico

Last updated: August 27, 2025

In San Isidro, Mexico, the average temperature in April is a warm 30°C (87°F). However, temperatures can vary significantly, with a minimum of 17°C (64°F) and a scorching maximum of 45°C (113°F). Expect 18 mm (0.7 in) of precipitation over 4 days, accompanied by an average humidity level of 61%. Perfect for those who enjoy a mix of sun and occasional showers!

April Temperature in San Isidro

In April in San Isidro, the average temperature is 30°C (87°F). Maximums can reach 45°C (113°F) and minimums can be as low as 17°C (64°F). Be prepared for hot days and cooler evenings when traveling during this time.

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 30°C (87°F), with highs reaching up to 45°C (113°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec768083868884858483817877
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 total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 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 18 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec22871861274921241721555931
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 61%. With an average temperature of 30°C (87°F), this humidity feels like a warm, enveloping blanket that can make traveling a bit uncomfortable, as sweat clings to your skin and the air feels heavy, but with the right attire and plenty of water, it can still be enjoyable to explore.

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 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
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 (76°F)22 mm (0.9 inches)78%very high
February Weather27°C (80°F)8 mm (0.3 inches)73%extreme
March Weather28°C (83°F)7 mm (0.3 inches)64%extreme
April Weather30°C (87°F)18 mm (0.7 inches)61%extreme
May Weather31°C (88°F)61 mm (2.4 inches)59%extreme
June Weather29°C (85°F)274 mm (10.8 inches)59%extreme
July Weather29°C (85°F)92 mm (3.6 inches)64%extreme
August Weather29°C (84°F)124 mm (4.9 inches)76%extreme
September Weather28°C (83°F)172 mm (6.8 inches)80%extreme
October Weather27°C (81°F)155 mm (6.1 inches)82%extreme
November Weather26°C (78°F)59 mm (2.3 inches)83%very high
December Weather25°C (77°F)31 mm (1.2 inches)84%very high

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