October Weather in San Fernando, Mexico

Last updated: August 27, 2025

In October, the average temperature in San Fernando, Mexico hovers around 26°C (78°F), with a comfortable minimum of 17°C (63°F) and a warm maximum of 33°C (92°F). Expect significant rainfall, with 267 mm (10.5 in) spread over 23 days, contributing to an average humidity of 90%. Stay prepared for a humid and vibrant atmosphere!

October Temperature in San Fernando

In October in San Fernando, the average temperature is 26°C (78°F). Maximum can reach 33°C (92°F) and minimum can be as low as 17°C (63°F). This climate makes it an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates October temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, October typically has an average temperature of 26°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for San Fernando generated using information from the Copernicus Climate Change Service.

October Precipitation in San Fernando

In San Fernando in October, the total precipitation amount is 267 mm (10.5 in), which falls over a span of 23 days.

October Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 Fernando, October typically receives around 267 mm (10.5 inches) of precipitation spread over approximately 23 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in San Fernando

In San Fernando in October humidity is 90%. With an average temperature of 26°C (78°F), this humidity feels like a suffocating blanket that sticks to your skin, making even the simplest outdoor activities feel exhausting and draining.

October Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 Fernando is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Fernando

In San Fernando in October, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for October

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 Fernando typically reaches 11, which falls under the extreme exposure category.

Data source: San Fernando 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 Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	76 mm (3.0 inches)	88%	very high
February Weather	23°C (73°F)	56 mm (2.2 inches)	86%	extreme
March Weather	24°C (76°F)	37 mm (1.4 inches)	84%	extreme
April Weather	26°C (80°F)	37 mm (1.4 inches)	81%	extreme
May Weather	28°C (83°F)	63 mm (2.5 inches)	82%	extreme
June Weather	27°C (81°F)	264 mm (10.4 inches)	81%	extreme
July Weather	27°C (81°F)	184 mm (7.2 inches)	81%	extreme
August Weather	27°C (80°F)	233 mm (9.2 inches)	82%	extreme
September Weather	26°C (80°F)	286 mm (11.3 inches)	86%	extreme
October Weather	26°C (78°F)	267 mm (10.5 inches)	90%	extreme
November Weather	23°C (74°F)	155 mm (6.1 inches)	91%	very high
December Weather	22°C (71°F)	71 mm (2.8 inches)	91%	very high