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October Weather in San Bruno, Mexico

Last updated: August 26, 2025

In October, the average temperature in San Bruno, Mexico is a warm 26°C (79°F), making it an inviting time to visit. You can expect temperatures to range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F). The month brings a light drizzle, with precipitation totaling about 6 mm (0.2 in) over 1 day. Additionally, the average humidity is around 72%, contributing to a pleasantly tropical atmosphere.

October Temperature in San Bruno

In October in San Bruno, the average temperature is 26°C (79°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 16°C (61°F). It's an ideal time for travelers to enjoy warm weather while having the option to experience cooler evenings.

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

The chart illustrates October temperature patterns in San Bruno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bruno, October typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec626266727683878884797163
Data source: Temperature data for San Bruno 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 Bruno

In San Bruno in October, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

October Precipitation Trends in San Bruno

The chart displays monthly precipitation patterns in San Bruno, 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 Bruno, October typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1058001814396109
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Bruno

In San Bruno in October, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

October Average Humidity in San Bruno

This chart illustrates the average monthly humidity levels in San Bruno, 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 Bruno is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%66%59%52%51%51%61%73%76%72%72%72%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Bruno

In San Bruno in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Bruno.

Maximum UV Index Levels in San Bruno for October

The chart shows the monthly maximum UV Index (UVI) for San Bruno 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 Bruno typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121212975
Data source: San Bruno 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 Bruno Compares to Other Months

Weather in San Bruno varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Bruno, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Bruno, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)10 mm (0.4 inches)71%high
February Weather17°C (63°F)5 mm (0.2 inches)66%very high
March Weather19°C (66°F)8 mm (0.3 inches)58%very high
April Weather22°C (72°F)0 mm (0.0 inches)52%extreme
May Weather24°C (76°F)0 mm (0.0 inches)51%extreme
June Weather29°C (84°F)1 mm (0.0 inches)51%extreme
July Weather31°C (88°F)8 mm (0.3 inches)60%extreme
August Weather31°C (88°F)14 mm (0.5 inches)73%extreme
September Weather29°C (85°F)39 mm (1.6 inches)76%extreme
October Weather26°C (79°F)6 mm (0.2 inches)72%very high
November Weather22°C (71°F)10 mm (0.4 inches)72%high
December Weather17°C (63°F)9 mm (0.4 inches)72%moderate

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