Last updated: June 24, 2025
In December, the average temperature in Mayville, United States hovers around 1°C (33°F), with a minimum plunging to -15°C (5°F) and peaking at a comfortable 16°C (62°F). Expect 124 mm (4.9 in) of precipitation spread over 18 days, coupled with an average humidity of a moist 87%.
In December in Mayville, the average temperature is 1°C (33°F). Maximums can reach 16°C (62°F) and minimums can be as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Mayville in December, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.
In Mayville in December, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.
In Mayville 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 Mayville, you can visit Hourly UV Index in Mayville.
UV Risk Categories
Weather in Mayville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mayville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 103 mm (4.1 inches) | 91% | low |
| February Weather | -2°C (29°F) | 104 mm (4.1 inches) | 91% | moderate |
| March Weather | 1°C (35°F) | 100 mm (3.9 inches) | 88% | high |
| April Weather | 7°C (45°F) | 126 mm (4.9 inches) | 88% | very high |
| May Weather | 14°C (57°F) | 122 mm (4.8 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 129 mm (5.1 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 155 mm (6.1 inches) | 77% | very high |
| August Weather | 21°C (70°F) | 111 mm (4.4 inches) | 72% | very high |
| September Weather | 18°C (64°F) | 87 mm (3.4 inches) | 76% | very high |
| October Weather | 12°C (54°F) | 152 mm (6.0 inches) | 83% | high |
| November Weather | 4°C (40°F) | 129 mm (5.1 inches) | 88% | moderate |
| December Weather | 1°C (33°F) | 124 mm (4.9 inches) | 87% | low |