Last updated: June 24, 2025
In December, the average temperature in Coon Valley, United States hovers around -3°C (27°F). However, temperatures can vary significantly, with a minimum of -24°C (-11°F) and a maximum of 18°C (64°F). You can expect about 43 mm (1.7 in) of precipitation spread over 7 days, while the air remains quite humid, averaging 82%.
In December in Coon Valley, the average temperature is -3°C (27°F), with a maximum that can reach 18°C (64°F) and a minimum that can drop as low as -24°C (-11°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their time in Coon Valley.
In Coon Valley in December, the total precipitation amount is 43 mm (1.7 in) spread over a period of 7 days.
In Coon Valley in December, humidity is 82%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating through the damp air.
In Coon Valley 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 Coon Valley, you can visit Hourly UV Index in Coon Valley.
UV Risk Categories
Weather in Coon Valley varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Coon Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 37 mm (1.5 inches) | 84% | low |
| February Weather | -6°C (21°F) | 52 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (35°F) | 58 mm (2.3 inches) | 84% | moderate |
| April Weather | 7°C (45°F) | 87 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 136 mm (5.4 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 122 mm (4.8 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 106 mm (4.2 inches) | 75% | very high |
| August Weather | 21°C (71°F) | 111 mm (4.4 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 108 mm (4.2 inches) | 74% | very high |
| October Weather | 10°C (50°F) | 120 mm (4.7 inches) | 79% | moderate |
| November Weather | 2°C (35°F) | 51 mm (2.0 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 43 mm (1.7 inches) | 82% | low |