January Weather in Altar, Mexico

Last updated: August 27, 2025

In January, the average temperature in Altar, Mexico hovers around 14°C (57°F), with a minimum dipping to 0°C (32°F) and peaking at a warm 31°C (88°F). Expect 22 mm (0.9 in) of precipitation spread over three days, contributing to an average humidity level of 74%.

January Temperature in Altar

In January in Altar, the average temperature is 14°C (57°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling to Altar during this time.

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

The chart illustrates January 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, January typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).

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

January Precipitation in Altar

In Altar in January, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

January Precipitation Trends in Altar

The chart displays monthly precipitation patterns in Altar, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Altar, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Altar

In Altar in January, humidity is 74%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making it slightly uncomfortable for traveling, as you may find yourself quickly sweating and in need of frequent breaks to cool down.

January Average Humidity in Altar

This chart illustrates the average monthly humidity levels in Altar, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Altar is approximately 74%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Altar

In Altar in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Altar.

Maximum UV Index Levels in Altar for January

The chart shows the monthly maximum UV Index (UVI) for Altar in January, 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 January, the maximum UV index in Altar typically reaches 5, which falls under the moderate exposure category.

Data source: Altar January 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 January 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 January’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 January’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