October Weather in San Isidro, Mexico

Last updated: August 27, 2025

In October, the average temperature in San Isidro, Mexico is a pleasant 21°C (69°F). Temperatures can vary from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), making it a versatile month for outdoor activities. However, be prepared for some rain, as 68 mm (2.7 in) of precipitation is expected over about 11 days. With an average humidity of 75%, the air can feel quite muggy, so don't forget to stay hydrated!

October Temperature in San Isidro

In October in San Isidro, the average temperature is 21°C (69°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as 10°C (50°F). This pleasant climate makes San Isidro a great destination for travelers looking to enjoy mild weather and 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 21°C (69°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec636671737675717170696663
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 68 mm (2.7 in) spread over a duration of 11 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 68 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec712312011023521020168208
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 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911141414131313131298
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 Weather17°C (63°F)7 mm (0.3 inches)64%very high
February Weather19°C (66°F)12 mm (0.5 inches)57%extreme
March Weather22°C (71°F)3 mm (0.1 inches)46%extreme
April Weather23°C (74°F)1 mm (0.0 inches)42%extreme
May Weather25°C (77°F)20 mm (0.8 inches)51%extreme
June Weather24°C (75°F)110 mm (4.3 inches)74%extreme
July Weather22°C (71°F)235 mm (9.3 inches)79%extreme
August Weather22°C (71°F)210 mm (8.3 inches)81%extreme
September Weather21°C (70°F)201 mm (7.9 inches)84%extreme
October Weather21°C (69°F)68 mm (2.7 inches)75%extreme
November Weather19°C (66°F)20 mm (0.8 inches)71%very high
December Weather17°C (63°F)8 mm (0.3 inches)74%very high

Compare San Isidro's Climate with Cities Worldwide