January Weather in La Grange, United States

Last updated: June 24, 2025

In January, the average temperature in La Grange, United States is a cool 12°C (53°F). Temperatures can range from a chilly -8°C (17°F) to a warm 29°C (84°F), offering a wide variety of weather. Expect about 62 mm (2.4 in) of precipitation over 8 days, leading to an average humidity of 78%, which can make it feel even cooler.

January Temperature in La Grange

In January in La Grange, the average temperature is 12°C (53°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -8°C (17°F). Be prepared for a wide range of weather conditions when traveling to La Grange during this month.

January Weather in La Grange: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Grange, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Grange, January typically has an average temperature of 12°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -8°C (17°F).

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

January Precipitation in La Grange

In La Grange in January, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

January Precipitation Trends in La Grange

The chart displays monthly precipitation patterns in La Grange, 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 La Grange, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 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 La Grange

In La Grange in January, humidity is 78%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that lingers in the air, making it essential to wear layers while exploring the sights, as the cool moisture can seep into your bones and leave you feeling a bit uncomfortable if not properly dressed for the weather.

January Average Humidity in La Grange

This chart illustrates the average monthly humidity levels in La Grange, 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 La Grange 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 La Grange

In La Grange in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in La Grange.

Maximum UV Index Levels in La Grange for January

The chart shows the monthly maximum UV Index (UVI) for La Grange 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 La Grange typically reaches 5, which falls under the moderate exposure category.

Data source: La Grange 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 La Grange Compares to Other Months

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

This table compares monthly weather conditions in La Grange, 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 (53°F)	62 mm (2.4 inches)	78%	moderate
February Weather	13°C (55°F)	71 mm (2.8 inches)	81%	very high
March Weather	18°C (65°F)	73 mm (2.9 inches)	76%	very high
April Weather	21°C (70°F)	105 mm (4.1 inches)	79%	very high
May Weather	25°C (78°F)	145 mm (5.7 inches)	79%	extreme
June Weather	28°C (83°F)	112 mm (4.4 inches)	74%	extreme
July Weather	29°C (85°F)	94 mm (3.7 inches)	71%	extreme
August Weather	30°C (86°F)	138 mm (5.4 inches)	68%	extreme
September Weather	27°C (81°F)	120 mm (4.7 inches)	73%	very high
October Weather	22°C (72°F)	83 mm (3.3 inches)	75%	very high
November Weather	16°C (61°F)	67 mm (2.6 inches)	78%	high
December Weather	13°C (56°F)	86 mm (3.4 inches)	84%	moderate