January Weather in La Grange, United States

Last updated: June 24, 2025

In January, the average temperature in La Grange, United States hovers around -2°C (29°F). However, be prepared for extremes: temperatures can dip to a chilling -27°C (-16°F) or rise to a maximum of 16°C (62°F). Expect about 60 mm (2.4 in) of precipitation over approximately 7 days, paired with an average humidity level of 82%. Stay warm and ready for the weather!

January Temperature in La Grange

In January in La Grange, the average temperature is -2°C (29°F), with maximums reaching 16°C (62°F) and minimums dipping as low as -27°C (-16°F). Be sure to prepare for a wide range of temperatures if you're planning to travel during this time.

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 -2°C (29°F), with highs reaching up to 16°C (62°F) and lows dropping to around -27°C (-16°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 60 mm (2.4 in) over the course of 7 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 60 mm (2.4 inches) of precipitation spread over approximately 7 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 82%. With an average temperature of -2°C (29°F), this humidity feels like a frigid chill that seeps into your bones, making travel quite uncomfortable and forcing you to bundle up tightly to ward off the damp cold that lingers in the air.

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 82%, 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 is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in La Grange, you can check the information here.

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 3, 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	-2°C (29°F)	60 mm (2.4 inches)	82%	moderate
February Weather	-1°C (31°F)	59 mm (2.3 inches)	80%	moderate
March Weather	7°C (44°F)	113 mm (4.4 inches)	80%	high
April Weather	11°C (53°F)	102 mm (4.0 inches)	80%	very high
May Weather	19°C (66°F)	168 mm (6.6 inches)	82%	very high
June Weather	24°C (76°F)	108 mm (4.2 inches)	83%	extreme
July Weather	26°C (79°F)	86 mm (3.4 inches)	81%	very high
August Weather	24°C (76°F)	90 mm (3.6 inches)	80%	very high
September Weather	21°C (71°F)	84 mm (3.3 inches)	76%	very high
October Weather	14°C (57°F)	106 mm (4.2 inches)	76%	high
November Weather	6°C (42°F)	53 mm (2.1 inches)	85%	moderate
December Weather	2°C (36°F)	42 mm (1.7 inches)	86%	moderate