January Weather in Lerma, Mexico

Last updated: August 27, 2025

In January, the average temperature in Lerma, Mexico is a pleasant 24°C (75°F). Visitors can expect a minimum of 14°C (58°F) and a maximum of 35°C (95°F). During this month, the area experiences about 18 mm (0.7 in) of precipitation over approximately 3 days, with an average humidity level of 78%.

January Temperature in Lerma

In January in Lerma, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F), and minimums can drop to as low as 14°C (58°F). This pleasant climate makes Lerma an ideal destination for travelers looking to enjoy mild and comfortable weather.

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

The chart illustrates January temperature patterns in Lerma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lerma, January typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 14°C (58°F).

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

January Precipitation in Lerma

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

January Precipitation Trends in Lerma

The chart displays monthly precipitation patterns in Lerma, 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 Lerma, 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.

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Millimeters (mm) Inches (in)

January Humidity in Lerma

In Lerma in January humidity is 78%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making travel sticky and heavy but also inviting, as long as you're prepared with plenty of water and light clothing.

January Average Humidity in Lerma

This chart illustrates the average monthly humidity levels in Lerma, 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 Lerma is approximately 78%, 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 Lerma

In Lerma 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 Lerma.

Maximum UV Index Levels in Lerma for January

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

Data source: Lerma 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 Lerma Compares to Other Months

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

This table compares monthly weather conditions in Lerma, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	18 mm (0.7 inches)	78%	very high
February Weather	26°C (78°F)	6 mm (0.2 inches)	73%	very high
March Weather	27°C (81°F)	4 mm (0.2 inches)	64%	extreme
April Weather	29°C (84°F)	14 mm (0.6 inches)	61%	extreme
May Weather	30°C (85°F)	34 mm (1.3 inches)	59%	extreme
June Weather	29°C (84°F)	205 mm (8.1 inches)	59%	extreme
July Weather	29°C (84°F)	87 mm (3.4 inches)	64%	extreme
August Weather	28°C (84°F)	126 mm (5.0 inches)	76%	extreme
September Weather	28°C (83°F)	135 mm (5.3 inches)	80%	extreme
October Weather	27°C (82°F)	140 mm (5.5 inches)	82%	extreme
November Weather	25°C (78°F)	40 mm (1.6 inches)	83%	very high
December Weather	24°C (76°F)	21 mm (0.8 inches)	84%	very high