Last updated: June 24, 2025
In January, the average temperature in Monona, United States hovers around -7°C (20°F), presenting a chilly atmosphere. Be prepared for extremes, as temperatures can plummet to a minimum of -33°C (-27°F) and occasionally reach up to 11°C (51°F). Expect 41 mm (1.6 in) of precipitation over the month, typically spread across 7 days. The air remains quite damp with an average humidity of 84%, making layering essential for comfort during your stay.
In January in Monona, the average temperature is -7°C (20°F). Maximum temperatures can reach 11°C (51°F), while the minimum can drop as low as -33°C (-27°F). Be prepared for a wide range of temperatures when traveling to Monona during this time.
In Monona in January, the precipitation amount is 41 mm (1.6 in) spread over a duration of 7 days.
In Monona in January, humidity is 84%. With an average temperature of -7°C (20°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.
In Monona 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 Monona, you can check the information here.
UV Risk Categories
Weather in Monona varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Monona, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (20°F) | 41 mm (1.6 inches) | 84% | moderate |
February Weather | -6°C (21°F) | 53 mm (2.1 inches) | 85% | moderate |
March Weather | 2°C (36°F) | 63 mm (2.5 inches) | 84% | moderate |
April Weather | 8°C (46°F) | 78 mm (3.1 inches) | 83% | very high |
May Weather | 15°C (60°F) | 154 mm (6.1 inches) | 75% | very high |
June Weather | 22°C (71°F) | 134 mm (5.3 inches) | 79% | very high |
July Weather | 23°C (75°F) | 113 mm (4.5 inches) | 75% | very high |
August Weather | 21°C (71°F) | 97 mm (3.8 inches) | 69% | very high |
September Weather | 18°C (65°F) | 121 mm (4.7 inches) | 74% | very high |
October Weather | 10°C (50°F) | 136 mm (5.4 inches) | 79% | moderate |
November Weather | 2°C (36°F) | 50 mm (2.0 inches) | 88% | moderate |
December Weather | -2°C (29°F) | 39 mm (1.5 inches) | 82% | low |