October Weather in Altar, Mexico

Last updated: August 27, 2025

In Altar, Mexico, the average temperature for October hovers around 25°C (77°F). However, it can swing from a chilly 6°C (43°F) to a sweltering 42°C (107°F). Expect a light touch of rain, with precipitation amounts reaching 9 mm (0.3 in) over just one day, while the average humidity sits at a comfortable 66%.

October Temperature in Altar

In October in Altar, the average temperature is 25°C (77°F). Maximums can reach 42°C (107°F), while minimums can drop as low as 6°C (43°F). Be prepared for both warm days and cool nights when traveling during this time.

October Weather in Altar: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Altar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altar, October typically has an average temperature of 25°C (77°F), with highs reaching up to 42°C (107°F) and lows dropping to around 6°C (43°F).

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

October Precipitation in Altar

In Altar in October, the precipitation amount is 9 mm (0.3 in) over the course of 1 day.

October Precipitation Trends in Altar

The chart displays monthly precipitation patterns in Altar, 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 Altar, October typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Altar

In Altar in October humidity is 66%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel a pleasant experience as the air is saturated but still breathable, allowing for comfortable exploration.

October Average Humidity in Altar

This chart illustrates the average monthly humidity levels in Altar, 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 Altar is approximately 66%, 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 Altar

In Altar in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Altar.

Maximum UV Index Levels in Altar for October

The chart shows the monthly maximum UV Index (UVI) for Altar 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 Altar typically reaches 8, which falls under the very high exposure category.

Data source: Altar 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 Altar Compares to Other Months

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

This table compares monthly weather conditions in Altar, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	22 mm (0.9 inches)	74%	moderate
February Weather	15°C (59°F)	26 mm (1.0 inches)	71%	high
March Weather	18°C (65°F)	14 mm (0.6 inches)	60%	very high
April Weather	23°C (74°F)	2 mm (0.1 inches)	43%	extreme
May Weather	26°C (79°F)	2 mm (0.1 inches)	32%	extreme
June Weather	32°C (89°F)	3 mm (0.1 inches)	28%	extreme
July Weather	32°C (90°F)	43 mm (1.7 inches)	38%	extreme
August Weather	32°C (90°F)	38 mm (1.5 inches)	60%	extreme
September Weather	30°C (86°F)	41 mm (1.6 inches)	72%	extreme
October Weather	25°C (77°F)	9 mm (0.3 inches)	66%	very high
November Weather	20°C (68°F)	19 mm (0.8 inches)	74%	high
December Weather	15°C (58°F)	17 mm (0.7 inches)	81%	moderate