Last updated: June 24, 2025
In Madison, United States, the average temperature in January hovers around 2°C (36°F), with a minimum plunging to -19°C (-1°F) and occasionally peaking at 21°C (69°F). This month also sees about 61 mm (2.4 in) of precipitation spread over 7 days, contributing to an average humidity level of 86%. Prepare for a blend of chilly days and damp conditions!
In January in Madison, the average temperature is 2°C (36°F). Maximum temperatures can reach 21°C (69°F), while the minimum can drop as low as -19°C (-1°F). Be sure to pack accordingly, as this month offers a wide range of temperatures perfect for both winter activities and milder outings.
In Madison in January, the precipitation amount is 61 mm (2.4 in) over the course of 7 days.
In Madison in January, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.
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.
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 | 2°C (36°F) | 61 mm (2.4 inches) | 86% | moderate |
February Weather | 5°C (41°F) | 90 mm (3.5 inches) | 86% | moderate |
March Weather | 8°C (46°F) | 74 mm (2.9 inches) | 86% | high |
April Weather | 13°C (56°F) | 112 mm (4.4 inches) | 84% | very high |
May Weather | 18°C (65°F) | 122 mm (4.8 inches) | 78% | extreme |
June Weather | 23°C (73°F) | 125 mm (4.9 inches) | 79% | very high |
July Weather | 26°C (79°F) | 92 mm (3.6 inches) | 70% | very high |
August Weather | 24°C (76°F) | 139 mm (5.5 inches) | 59% | very high |
September Weather | 21°C (70°F) | 107 mm (4.2 inches) | 68% | very high |
October Weather | 16°C (60°F) | 109 mm (4.3 inches) | 80% | high |
November Weather | 7°C (45°F) | 82 mm (3.2 inches) | 86% | moderate |
December Weather | 4°C (40°F) | 85 mm (3.4 inches) | 85% | moderate |