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January Weather in Madison, United States

Last updated: June 24, 2025

In January, the average temperature in Madison, United States hovers around -7°C (19°F). Expect chilly conditions, with minimums plunging to -30°C (-22°F) and maximums reaching a crisp 11°C (52°F). Precipitation can be expected, totaling 85 mm (3.3 in) over 8 days, and the air is notably humid, with an average humidity level of 91%.

January Temperature in Madison

In January in Madison, the average temperature is -7°C (19°F). Maximums can reach 11°C (52°F), while minimums can drop as low as -30°C (-22°F). It's advisable to be well-prepared for extreme temperature variations when traveling during this period.

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 -7°C (19°F), with highs reaching up to 11°C (52°F) and lows dropping to around -30°C (-22°F).
JanFebMarAprMayJunJulAugSepOctNovDec192129415464696860493424
Data source: Temperature data for Madison generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Madison

In Madison in January, the precipitation amount is 85 mm (3.3 in) over the course of 8 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 85 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec85847212787831218269129112116
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Madison

In Madison in January humidity is 91%. With an average temperature of -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making every breath feel heavy and cold, creating a damp chill that seeps into your bones, which can be particularly uncomfortable for travelers who are unaccustomed to such frigid conditions.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Madison, you can visit Hourly UV Index in Madison.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
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.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)85 mm (3.3 inches)91%low
February Weather-6°C (22°F)84 mm (3.3 inches)89%moderate
March Weather-2°C (29°F)72 mm (2.8 inches)85%moderate
April Weather5°C (42°F)127 mm (5.0 inches)84%very high
May Weather12°C (54°F)87 mm (3.4 inches)78%very high
June Weather18°C (64°F)83 mm (3.3 inches)72%very high
July Weather20°C (69°F)120 mm (4.7 inches)75%very high
August Weather20°C (68°F)82 mm (3.2 inches)74%very high
September Weather16°C (61°F)69 mm (2.7 inches)77%high
October Weather9°C (49°F)129 mm (5.1 inches)85%moderate
November Weather1°C (35°F)112 mm (4.4 inches)86%moderate
December Weather-5°C (24°F)116 mm (4.6 inches)85%low

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