January Weather in Santiaguillo, Mexico

Last updated: August 27, 2025

In Santiaguillo, Mexico, the average temperature in January is a mild 12°C (54°F). Be prepared for a range, as temperatures can drop to a minimum of -3°C (27°F) and soar to a maximum of 27°C (80°F). Expect about 16 mm (0.6 in) of precipitation over 2 days, with an average humidity of 71%. Whether you enjoy crisp, cool air or warm sunny days, there's something for everyone this month!

January Temperature in Santiaguillo

In January in Santiaguillo, the average temperature is 12°C (54°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -3°C (27°F). This varied climate makes it essential for travelers to pack layers to prepare for both warm and chilly conditions.

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

The chart illustrates January temperature patterns in Santiaguillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiaguillo, January typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -3°C (27°F).

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

January Precipitation in Santiaguillo

In Santiaguillo in January, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in Santiaguillo

The chart displays monthly precipitation patterns in Santiaguillo, 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 Santiaguillo, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 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 Santiaguillo

In Santiaguillo in January humidity is 71%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring the area, as the cool air can be refreshing yet slightly uncomfortable without proper attire for outdoor activities.

January Average Humidity in Santiaguillo

This chart illustrates the average monthly humidity levels in Santiaguillo, 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 Santiaguillo is approximately 71%, 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 Santiaguillo

In Santiaguillo in January, 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 Santiaguillo.

Maximum UV Index Levels in Santiaguillo for January

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

Data source: Santiaguillo 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 Santiaguillo Compares to Other Months

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

This table compares monthly weather conditions in Santiaguillo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	16 mm (0.6 inches)	71%	very high
February Weather	15°C (59°F)	9 mm (0.3 inches)	64%	extreme
March Weather	18°C (64°F)	5 mm (0.2 inches)	49%	extreme
April Weather	20°C (68°F)	7 mm (0.3 inches)	47%	extreme
May Weather	22°C (72°F)	18 mm (0.7 inches)	55%	extreme
June Weather	22°C (71°F)	69 mm (2.7 inches)	77%	extreme
July Weather	20°C (69°F)	123 mm (4.8 inches)	82%	extreme
August Weather	20°C (69°F)	61 mm (2.4 inches)	83%	extreme
September Weather	18°C (65°F)	119 mm (4.7 inches)	86%	extreme
October Weather	17°C (64°F)	45 mm (1.8 inches)	83%	extreme
November Weather	15°C (59°F)	15 mm (0.6 inches)	80%	very high
December Weather	12°C (55°F)	10 mm (0.4 inches)	83%	very high