October Weather in San Martin, Mexico

Last updated: August 27, 2025

In San Martin, Mexico, the average temperature in October hovers around 21°C (70°F). You can expect the mercury to dip as low as 9°C (48°F) and rise to a scorching 33°C (92°F). During this month, 121 mm (4.8 in) of precipitation falls over approximately 14 days, contributing to an average humidity level of 83%. Prepare for a mix of warm weather and the occasional rain shower!

October Temperature in San Martin

In October in San Martin, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 9°C (48°F). This range makes it an ideal time for travelers who enjoy mild weather and the opportunity for various outdoor activities.

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

The chart illustrates October temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, October typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).

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

October Precipitation in San Martin

In San Martin in October, the precipitation amount is 121 mm (4.8 in) over a span of 14 days.

October Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 Martin, October typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 14 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 Martin

In San Martin in October humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

October Average Humidity in San Martin

This chart illustrates the average monthly humidity levels in San Martin, 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 Martin is approximately 83%, 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 Martin

In San Martin 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 Martin.

Maximum UV Index Levels in San Martin for October

The chart shows the monthly maximum UV Index (UVI) for San Martin 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 Martin typically reaches 12, which falls under the extreme exposure category.

Data source: San Martin 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 Martin Compares to Other Months

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

This table compares monthly weather conditions in San Martin, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	16 mm (0.6 inches)	74%	very high
February Weather	18°C (64°F)	20 mm (0.8 inches)	65%	extreme
March Weather	20°C (69°F)	23 mm (0.9 inches)	58%	extreme
April Weather	23°C (74°F)	22 mm (0.8 inches)	58%	extreme
May Weather	25°C (77°F)	59 mm (2.3 inches)	67%	extreme
June Weather	25°C (76°F)	100 mm (4.0 inches)	76%	extreme
July Weather	24°C (76°F)	85 mm (3.3 inches)	67%	extreme
August Weather	24°C (76°F)	71 mm (2.8 inches)	68%	extreme
September Weather	23°C (74°F)	120 mm (4.7 inches)	81%	extreme
October Weather	21°C (70°F)	121 mm (4.8 inches)	83%	extreme
November Weather	18°C (65°F)	28 mm (1.1 inches)	84%	very high
December Weather	16°C (61°F)	12 mm (0.5 inches)	81%	high