January Weather in San Luis, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Luis, Mexico hovers around 14°C (57°F), making it a pleasant time to explore. You can expect minimum temperatures as low as 7°C (45°F) and maximums reaching up to 23°C (75°F). With an average precipitation of 60 mm (2.3 in) spread over 6 days, a light rain might accompany your adventures. Additionally, the air carries an average humidity level of 72%, adding a touch of moisture to the atmosphere.

January Temperature in San Luis

In January in San Luis, the average temperature is 14°C (57°F), with maximums reaching 23°C (75°F) and minimums dropping as low as 7°C (45°F). This mild weather makes it an ideal time for travelers to explore the attractions and enjoy outdoor activities.

January Weather in San Luis: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, January typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (75°F) and lows dropping to around 7°C (45°F).

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

January Precipitation in San Luis

In San Luis, in January, the precipitation amount is 60 mm (2.3 in) over a span of 6 days.

January Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 San Luis, January typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 6 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 San Luis

In San Luis in January humidity is 72%. With an average temperature of 14°C (57°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and requiring careful planning to stay hydrated and enjoy your travels.

January Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 San Luis is approximately 72%, 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 San Luis

In San Luis in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in San Luis for better planning.

Maximum UV Index Levels in San Luis for January

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 San Luis typically reaches 4, which falls under the moderate exposure category.

Data source: San Luis 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 San Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, 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)	60 mm (2.3 inches)	72%	moderate
February Weather	13°C (56°F)	75 mm (3.0 inches)	77%	high
March Weather	14°C (57°F)	57 mm (2.2 inches)	67%	very high
April Weather	15°C (60°F)	27 mm (1.1 inches)	56%	very high
May Weather	16°C (61°F)	26 mm (1.0 inches)	46%	extreme
June Weather	18°C (65°F)	7 mm (0.3 inches)	48%	extreme
July Weather	21°C (69°F)	5 mm (0.2 inches)	46%	extreme
August Weather	21°C (71°F)	5 mm (0.2 inches)	42%	extreme
September Weather	21°C (70°F)	6 mm (0.2 inches)	52%	very high
October Weather	19°C (67°F)	14 mm (0.6 inches)	58%	high
November Weather	17°C (62°F)	35 mm (1.4 inches)	66%	moderate
December Weather	14°C (58°F)	68 mm (2.7 inches)	74%	moderate