Last updated: June 24, 2025
In December, the average temperature in Reedsburg, United States hovers around -2°C (28°F), with extremes ranging from a chilly -23°C (-9°F) to a surprisingly warm 18°C (65°F). Expect about 45 mm (1.8 in) of precipitation over 7 days, and don't forget the high humidity at 82%, which can make the cold feel even more biting!
In December in Reedsburg, the average temperature is -2°C (28°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -23°C (-9°F). Be prepared for a wide range of temperatures and dress accordingly for your travels.
In Reedsburg in December, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.
In Reedsburg in December, humidity is 82%. With an average temperature of -2°C (28°F), this humidity feels like an icy shroud enveloping you, making every breath feel crisp and biting as you navigate through a winter wonderland, each step a reminder of the contrast between the cold air and the heavy moisture lingering in the atmosphere.
In Reedsburg in December, 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 Reedsburg, you can visit Hourly UV Index in Reedsburg.
UV Risk Categories
Weather in Reedsburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Reedsburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (21°F) | 43 mm (1.7 inches) | 84% | low |
| February Weather | -6°C (22°F) | 54 mm (2.1 inches) | 85% | moderate |
| March Weather | 2°C (35°F) | 58 mm (2.3 inches) | 84% | moderate |
| April Weather | 7°C (46°F) | 85 mm (3.3 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 128 mm (5.0 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 111 mm (4.4 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 88 mm (3.5 inches) | 75% | very high |
| August Weather | 21°C (71°F) | 106 mm (4.2 inches) | 69% | very high |
| September Weather | 18°C (64°F) | 108 mm (4.3 inches) | 74% | very high |
| October Weather | 10°C (50°F) | 110 mm (4.3 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 47 mm (1.8 inches) | 88% | moderate |
| December Weather | -2°C (28°F) | 45 mm (1.8 inches) | 82% | low |