January Weather in Madison, United States

Last updated: June 24, 2025

In January, the average temperature in Madison, United States hovers around -4°C (24°F), with extremes ranging from a chilling -28°C (-19°F) to a surprisingly warm 14°C (57°F). Expect about 27 mm (1.1 in) of precipitation spread over 4 days, and enjoy an average humidity of 73% throughout the month.

January Temperature in Madison

In January in Madison, the average temperature is -4°C (24°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -28°C (-19°F). It's advisable to pack warm clothing and be prepared for wide temperature fluctuations if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Madison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madison, January typically has an average temperature of -4°C (24°F), with highs reaching up to 14°C (57°F) and lows dropping to around -28°C (-19°F).

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

January Precipitation in Madison

In Madison in January, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

January Precipitation Trends in Madison

The chart displays monthly precipitation patterns in Madison, 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 Madison, January typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 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 Madison

In Madison in January humidity is 73%. With an average temperature of -4°C (24°F), this humidity feels like a frigid chill that penetrates your layers of clothing, making travel uncomfortable and brisk, as the damp air clings to your skin and heightens the cold sensation.

January Average Humidity in Madison

This chart illustrates the average monthly humidity levels in Madison, 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 Madison is approximately 73%, 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 Madison

In Madison 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 Madison, you can check the information here.

Maximum UV Index Levels in Madison for January

The chart shows the monthly maximum UV Index (UVI) for Madison 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 Madison typically reaches 3, which falls under the moderate exposure category.

Data source: Madison 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 Madison Compares to Other Months

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

This table compares monthly weather conditions in Madison, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	27 mm (1.1 inches)	73%	moderate
February Weather	-5°C (24°F)	23 mm (0.9 inches)	81%	moderate
March Weather	4°C (39°F)	89 mm (3.5 inches)	69%	high
April Weather	9°C (48°F)	59 mm (2.3 inches)	71%	very high
May Weather	16°C (61°F)	154 mm (6.1 inches)	80%	very high
June Weather	23°C (74°F)	112 mm (4.4 inches)	83%	extreme
July Weather	25°C (77°F)	76 mm (3.0 inches)	84%	very high
August Weather	23°C (73°F)	101 mm (4.0 inches)	84%	very high
September Weather	20°C (68°F)	63 mm (2.5 inches)	77%	very high
October Weather	10°C (51°F)	90 mm (3.5 inches)	72%	high
November Weather	4°C (39°F)	25 mm (1.0 inches)	80%	moderate
December Weather	-1°C (30°F)	43 mm (1.7 inches)	79%	low