Last updated: June 24, 2025
In January, the average temperature in Madison, United States is a mild 12°C (54°F). However, it can swing dramatically, with minimums plummeting to -6°C (22°F) and maximums reaching a warm 27°C (82°F). Expect about 67 mm (2.6 in) of precipitation spread over 6 days, and enjoy a high average humidity of 85%, making it a month to savor the fresh, crisp air!
In January in Madison, the average temperature is 12°C (54°F), with maximums reaching 27°C (82°F) and minimums dropping as low as -6°C (22°F). This wide range of temperatures makes it essential for travelers to pack layers to stay comfortable during their visit.
In Madison in January, the precipitation amount is 67 mm (2.6 in) over the course of 6 days.
In Madison in January, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.
In Madison 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 Madison.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 12°C (54°F) | 67 mm (2.6 inches) | 85% | moderate |
February Weather | 15°C (60°F) | 85 mm (3.3 inches) | 82% | very high |
March Weather | 17°C (64°F) | 46 mm (1.8 inches) | 80% | very high |
April Weather | 20°C (69°F) | 78 mm (3.1 inches) | 76% | very high |
May Weather | 24°C (76°F) | 82 mm (3.2 inches) | 73% | extreme |
June Weather | 26°C (80°F) | 156 mm (6.2 inches) | 74% | extreme |
July Weather | 27°C (81°F) | 161 mm (6.3 inches) | 80% | extreme |
August Weather | 27°C (81°F) | 145 mm (5.7 inches) | 79% | extreme |
September Weather | 26°C (80°F) | 113 mm (4.5 inches) | 83% | very high |
October Weather | 23°C (74°F) | 68 mm (2.7 inches) | 77% | very high |
November Weather | 16°C (61°F) | 54 mm (2.1 inches) | 84% | high |
December Weather | 14°C (57°F) | 114 mm (4.5 inches) | 88% | moderate |