January Weather in Mexico, United States

Last updated: June 24, 2025

In January, the average temperature in Mexico, United States hovers around -1°C (31°F). The temperature can vary significantly, dipping to a chilling -23°C (-10°F) at its lowest and reaching up to 18°C (64°F) on warmer days. Expect an average precipitation of 66 mm (2.6 in) spread over 7 days, with humidity levels typically around 82%. Stay prepared for a mix of wintry conditions!

January Temperature in Mexico

In January in Mexico, the average temperature is -1°C (31°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder conditions.

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

The chart illustrates January temperature patterns in Mexico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mexico, January typically has an average temperature of -1°C (31°F), with highs reaching up to 18°C (64°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Mexico

In Mexico in January, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

January Precipitation Trends in Mexico

The chart displays monthly precipitation patterns in Mexico, 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 Mexico, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Mexico

In Mexico in January humidity is 82%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, biting chill that seeps through layers of clothing, making outdoor activities uncomfortable and urging travelers to seek shelter or warm beverages to combat the cold.

January Average Humidity in Mexico

This chart illustrates the average monthly humidity levels in Mexico, 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 Mexico is approximately 82%, 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 Mexico

In Mexico in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mexico, you can check the information here.

Maximum UV Index Levels in Mexico for January

The chart shows the monthly maximum UV Index (UVI) for Mexico 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 Mexico typically reaches 3, which falls under the moderate exposure category.

Data source: Mexico 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 Mexico Compares to Other Months

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

This table compares monthly weather conditions in Mexico, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	66 mm (2.6 inches)	82%	moderate
February Weather	1°C (33°F)	61 mm (2.4 inches)	80%	moderate
March Weather	8°C (46°F)	122 mm (4.8 inches)	80%	high
April Weather	12°C (54°F)	117 mm (4.6 inches)	80%	very high
May Weather	19°C (66°F)	177 mm (7.0 inches)	82%	very high
June Weather	25°C (76°F)	110 mm (4.3 inches)	83%	extreme
July Weather	26°C (79°F)	92 mm (3.6 inches)	81%	extreme
August Weather	24°C (76°F)	125 mm (4.9 inches)	80%	very high
September Weather	22°C (72°F)	56 mm (2.2 inches)	76%	very high
October Weather	14°C (57°F)	109 mm (4.3 inches)	76%	high
November Weather	6°C (44°F)	57 mm (2.2 inches)	85%	moderate
December Weather	3°C (38°F)	41 mm (1.6 inches)	86%	moderate