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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 pleasant 20°C (67°F). Expect temperatures to vary, with a minimum of 5°C (41°F) and a maximum of 33°C (91°F). During this month, you can anticipate 24 mm (0.9 in) of precipitation spread over 4 days, and the average humidity is around 64%.

April Temperature in San Isidro

In April in San Isidro, the average temperature is 20°C (67°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 5°C (41°F). This makes it a great time for travelers to enjoy a range of outdoor activities in comfortable weather conditions.

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 20°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec545863677170697067655954
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 24 mm (0.9 in) over a period 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 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec111015244648843375441214
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 64%. With an average temperature of 20°C (67°F), this humidity feels like a warm embrace, making it pleasant for outdoor activities but slightly uncomfortable for long walks.

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 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%69%65%64%75%78%67%64%82%86%87%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141414131297
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 Weather12°C (54°F)11 mm (0.4 inches)75%very high
February Weather15°C (59°F)9 mm (0.4 inches)69%extreme
March Weather17°C (64°F)15 mm (0.6 inches)65%extreme
April Weather20°C (67°F)24 mm (0.9 inches)64%extreme
May Weather21°C (71°F)46 mm (1.8 inches)75%extreme
June Weather21°C (71°F)48 mm (1.9 inches)78%extreme
July Weather21°C (69°F)84 mm (3.3 inches)67%extreme
August Weather21°C (70°F)33 mm (1.3 inches)64%extreme
September Weather20°C (67°F)75 mm (3.0 inches)81%extreme
October Weather18°C (65°F)44 mm (1.7 inches)85%extreme
November Weather15°C (59°F)12 mm (0.5 inches)87%very high
December Weather12°C (55°F)14 mm (0.5 inches)87%high

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