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October Weather in San Isidro, Mexico

Last updated: August 27, 2025

In October, the average temperature in San Isidro, Mexico is a pleasant 24°C (76°F). However, be prepared for a range of conditions, as temperatures can drop as low as 6°C (43°F) and soar up to 38°C (100°F). With 50 mm (2.0 in) of precipitation spread over 8 days, you might experience some rain, so don't forget your umbrella! The average humidity sits at a comfortable 78%, making it an ideal time to explore the area.

October Temperature in San Isidro

In October in San Isidro, the average temperature is 24°C (76°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 6°C (43°F). This wide range of temperatures makes it essential for travelers to pack for both warm days and cooler nights.

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

The chart illustrates October 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, October typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec606472778385868882756763
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.

October Precipitation in San Isidro

In San Isidro in October, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.

October Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In San Isidro, October typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec24132647761079317125502418
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Isidro

In San Isidro in October, humidity is 78%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel sticky and uncomfortable, potentially leading to fatigue for travelers.

October Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in San Isidro is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%78%81%82%74%68%67%75%78%83%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Isidro

In San Isidro in October, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for October

The chart shows the monthly maximum UV Index (UVI) for San Isidro in October, 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 October, the maximum UV index in San Isidro typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101212121212111076
Data source: San Isidro October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)24 mm (0.9 inches)84%high
February Weather18°C (65°F)13 mm (0.5 inches)83%very high
March Weather22°C (72°F)26 mm (1.0 inches)78%very high
April Weather25°C (77°F)47 mm (1.9 inches)81%extreme
May Weather28°C (83°F)76 mm (3.0 inches)82%extreme
June Weather30°C (85°F)106 mm (4.2 inches)74%extreme
July Weather30°C (87°F)93 mm (3.7 inches)68%extreme
August Weather31°C (88°F)17 mm (0.7 inches)67%extreme
September Weather28°C (82°F)125 mm (4.9 inches)75%extreme
October Weather24°C (76°F)50 mm (2.0 inches)78%very high
November Weather20°C (67°F)24 mm (0.9 inches)83%high
December Weather17°C (63°F)18 mm (0.7 inches)86%high

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