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October Weather in San Isidro, Mexico

Last updated: August 27, 2025

In San Isidro, Mexico, the average temperature in October hovers around 18°C (65°F). Expect a minimum of 5°C (41°F) and a maximum of 29°C (85°F). While enjoying the mild weather, be prepared for 44 mm (1.7 in) of precipitation spread over 7 days, and note that average humidity stays high at 85%.

October Temperature in San Isidro

In October in San Isidro, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), and minimums can drop as low as 5°C (41°F). This range makes San Isidro a comfortable destination for travelers, offering pleasant conditions for 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 18°C (65°F), with highs reaching up to 29°C (85°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.

October Precipitation in San Isidro

In San Isidro in October, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 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 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec111015244648843375441214
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 85%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities challenging but creating a lush, vibrant atmosphere that invites exploration.

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 85%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141414131297
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 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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