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October Weather in San Isidro, Mexico

Last updated: August 26, 2025

In October, the average temperature in San Isidro, Mexico is a mild 14°C (57°F). Expect a minimum of 1°C (34°F) and a maximum of 25°C (78°F), offering a versatile climate. However, be prepared for 84 mm (3.3 in) of precipitation spread over 13 days, contributing to an average humidity of a high 91%.

October Temperature in San Isidro

In October in San Isidro, the average temperature is 14°C (57°F). Maximum temperatures can reach 25°C (78°F) while minimum temperatures can drop to as low as 1°C (34°F). This variation makes it a great time for travelers to pack layers and enjoy diverse outdoor activities.

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 14°C (57°F), with highs reaching up to 25°C (78°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec515558606260595959575452
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 precipitation amount is 84 mm (3.3 in) during 13 days, indicating a relatively wet period for that time of year.

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 84 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec13924436015512015516084257
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 91%. With an average temperature of 14°C (57°F), this humidity feels like a blanket of dampness enveloping you, making outdoor activities feel heavy and uncomfortable for traveling.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
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 Weather11°C (52°F)12 mm (0.5 inches)84%very high
February Weather13°C (55°F)9 mm (0.4 inches)78%extreme
March Weather14°C (58°F)24 mm (0.9 inches)75%extreme
April Weather16°C (61°F)43 mm (1.7 inches)70%extreme
May Weather16°C (62°F)60 mm (2.4 inches)77%extreme
June Weather16°C (61°F)155 mm (6.1 inches)76%extreme
July Weather15°C (59°F)120 mm (4.7 inches)68%extreme
August Weather15°C (59°F)155 mm (6.1 inches)70%extreme
September Weather15°C (59°F)160 mm (6.3 inches)82%extreme
October Weather14°C (57°F)84 mm (3.3 inches)91%extreme
November Weather12°C (54°F)25 mm (1.0 inches)89%very high
December Weather11°C (53°F)7 mm (0.3 inches)88%very high

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