January Weather in La Crosse, United States

Last updated: June 24, 2025

In January, the average temperature in La Crosse, United States hovers around 0°C (32°F). Expect fluctuations, with minimums dipping to -21°C (-6°F) and maximums reaching up to 21°C (70°F). During this time, anticipate 24 mm (0.9 in) of precipitation over about 3 days, while the air is comfortably humid, averaging 74%.

January Temperature in La Crosse

In January in La Crosse, the average temperature is 0°C (32°F), with maximums reaching up to 21°C (70°F) and minimums plummeting as low as -21°C (-6°F). Be prepared for a diverse range of temperatures if you plan to visit during this time.

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

The chart illustrates January temperature patterns in La Crosse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Crosse, January typically has an average temperature of 0°C (32°F), with highs reaching up to 21°C (70°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in La Crosse

In La Crosse in January, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

January Precipitation Trends in La Crosse

The chart displays monthly precipitation patterns in La Crosse, 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 Crosse, January typically receives around 24 mm (0.9 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 La Crosse

In La Crosse in January, humidity is 74%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that clings to your skin, making it essential to bundle up tightly while exploring the area.

January Average Humidity in La Crosse

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

In La Crosse in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in La Crosse for better planning.

Maximum UV Index Levels in La Crosse for January

The chart shows the monthly maximum UV Index (UVI) for La Crosse 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 Crosse typically reaches 4, which falls under the moderate exposure category.

Data source: La Crosse 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 Crosse Compares to Other Months

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

This table compares monthly weather conditions in La Crosse, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	24 mm (0.9 inches)	74%	moderate
February Weather	0°C (33°F)	20 mm (0.8 inches)	78%	moderate
March Weather	7°C (46°F)	69 mm (2.7 inches)	67%	high
April Weather	12°C (54°F)	44 mm (1.7 inches)	70%	very high
May Weather	18°C (64°F)	138 mm (5.4 inches)	82%	very high
June Weather	25°C (77°F)	56 mm (2.2 inches)	81%	extreme
July Weather	27°C (81°F)	67 mm (2.6 inches)	80%	extreme
August Weather	25°C (78°F)	72 mm (2.8 inches)	80%	very high
September Weather	22°C (72°F)	58 mm (2.3 inches)	73%	very high
October Weather	13°C (56°F)	67 mm (2.6 inches)	71%	high
November Weather	7°C (44°F)	25 mm (1.0 inches)	79%	moderate
December Weather	2°C (36°F)	29 mm (1.1 inches)	83%	moderate