January Weather in Mesillas, Mexico

Last updated: August 27, 2025

In January, the average temperature in Mesillas, Mexico hovers around 13°C (55°F). Expect a chilly minimum of -1°C (31°F) and the occasional warm day reaching up to 26°C (79°F). The weather is not without its quirks, as 18 mm (0.7 in) of precipitation may fall over 3 days, accompanied by an average humidity of 75%.

January Temperature in Mesillas

In January in Mesillas, the average temperature is 13°C (55°F). The maximum can reach 26°C (79°F), while the minimum can drop to as low as -1°C (31°F). Be prepared for a range of temperatures during your travels, making it essential to pack accordingly.

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

The chart illustrates January temperature patterns in Mesillas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mesillas, January typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in Mesillas

In Mesillas in January, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

January Precipitation Trends in Mesillas

The chart displays monthly precipitation patterns in Mesillas, 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 Mesillas, January typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Mesillas

In Mesillas in January humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

January Average Humidity in Mesillas

This chart illustrates the average monthly humidity levels in Mesillas, 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 Mesillas is approximately 75%, 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 Mesillas

In Mesillas in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mesillas.

Maximum UV Index Levels in Mesillas for January

The chart shows the monthly maximum UV Index (UVI) for Mesillas 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 Mesillas typically reaches 9, which falls under the very high exposure category.

Data source: Mesillas 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 Mesillas Compares to Other Months

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

This table compares monthly weather conditions in Mesillas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	18 mm (0.7 inches)	75%	very high
February Weather	15°C (59°F)	11 mm (0.4 inches)	69%	extreme
March Weather	18°C (65°F)	10 mm (0.4 inches)	65%	extreme
April Weather	20°C (68°F)	6 mm (0.2 inches)	64%	extreme
May Weather	22°C (71°F)	30 mm (1.2 inches)	75%	extreme
June Weather	21°C (70°F)	116 mm (4.6 inches)	78%	extreme
July Weather	20°C (68°F)	137 mm (5.4 inches)	67%	extreme
August Weather	20°C (68°F)	79 mm (3.1 inches)	64%	extreme
September Weather	19°C (66°F)	135 mm (5.3 inches)	81%	extreme
October Weather	18°C (64°F)	48 mm (1.9 inches)	85%	extreme
November Weather	15°C (60°F)	14 mm (0.6 inches)	87%	very high
December Weather	13°C (55°F)	12 mm (0.5 inches)	87%	very high