January Weather in Union de San Antonio, Mexico

Last updated: August 27, 2025

In Union de San Antonio, Mexico, the average temperature in January hovers around 15°C (60°F), with a minimum dipping to 0°C (33°F) and a maximum rising to 29°C (84°F). During this month, expect a light precipitation of 7 mm (0.3 in) over the course of 1 day. Additionally, the weather is characterized by an average humidity of 74%, contributing to a comfortably cool atmosphere.

January Temperature in Union de San Antonio

In January in Union de San Antonio, the average temperature is 15°C (60°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 0°C (33°F). This varied climate makes it essential to pack layers for your travels to Union de San Antonio.

January Weather in Union de San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Union de San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union de San Antonio, January typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (33°F).

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

January Precipitation in Union de San Antonio

In Union de San Antonio in January, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

January Precipitation Trends in Union de San Antonio

The chart displays monthly precipitation patterns in Union de San Antonio, 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 Union de San Antonio, January typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 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 Union de San Antonio

In Union de San Antonio in January humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

January Average Humidity in Union de San Antonio

This chart illustrates the average monthly humidity levels in Union de San Antonio, 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 Union de San Antonio 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 Union de San Antonio

In Union de San Antonio 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 Union de San Antonio.

Maximum UV Index Levels in Union de San Antonio for January

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

Data source: Union de San Antonio 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 Union de San Antonio Compares to Other Months

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

This table compares monthly weather conditions in Union de San Antonio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	7 mm (0.3 inches)	74%	very high
February Weather	18°C (64°F)	9 mm (0.4 inches)	65%	extreme
March Weather	21°C (70°F)	4 mm (0.2 inches)	58%	extreme
April Weather	23°C (73°F)	1 mm (0.1 inches)	58%	extreme
May Weather	24°C (75°F)	29 mm (1.2 inches)	67%	extreme
June Weather	23°C (73°F)	152 mm (6.0 inches)	76%	extreme
July Weather	20°C (69°F)	173 mm (6.8 inches)	67%	extreme
August Weather	21°C (69°F)	137 mm (5.4 inches)	68%	extreme
September Weather	20°C (68°F)	139 mm (5.5 inches)	81%	extreme
October Weather	20°C (68°F)	48 mm (1.9 inches)	83%	extreme
November Weather	18°C (64°F)	14 mm (0.6 inches)	84%	very high
December Weather	15°C (60°F)	6 mm (0.2 inches)	81%	very high