Last updated: June 24, 2025
In December, the average temperature in Alliance, United States is a brisk 0°C (32°F). Expect chilly nights, with minimums dropping to -24°C (-11°F), while the days can warm up to a pleasant 22°C (72°F). During this time, the area receives approximately 18 mm (0.7 in) of precipitation over 3 days, coupled with an average humidity of 77%. Be prepared for a varied climate as you explore!
In December in Alliance, the average temperature is 0°C (32°F). Maximums can reach 22°C (72°F), and minimums can be as low as -24°C (-11°F). This wide range of temperatures makes Alliance an exciting destination for travelers seeking both winter sports and milder outdoor activities.
In Alliance in December, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.
In Alliance in December, humidity is 77%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that can make outdoor activities uncomfortable and travel less enjoyable, as the moisture in the air clings to your skin, leaving you feeling colder than the temperature suggests.
In Alliance in December, 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 Alliance, you can check the information here.
UV Risk Categories
Weather in Alliance varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Alliance, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 11 mm (0.5 inches) | 72% | moderate |
| February Weather | -3°C (27°F) | 22 mm (0.9 inches) | 76% | moderate |
| March Weather | 4°C (39°F) | 61 mm (2.4 inches) | 61% | high |
| April Weather | 7°C (46°F) | 52 mm (2.1 inches) | 60% | very high |
| May Weather | 13°C (55°F) | 123 mm (4.8 inches) | 74% | very high |
| June Weather | 21°C (70°F) | 41 mm (1.6 inches) | 82% | extreme |
| July Weather | 24°C (76°F) | 42 mm (1.6 inches) | 82% | extreme |
| August Weather | 22°C (72°F) | 44 mm (1.7 inches) | 84% | very high |
| September Weather | 18°C (65°F) | 29 mm (1.2 inches) | 75% | very high |
| October Weather | 8°C (47°F) | 44 mm (1.7 inches) | 73% | high |
| November Weather | 4°C (40°F) | 22 mm (0.9 inches) | 74% | moderate |
| December Weather | 0°C (32°F) | 18 mm (0.7 inches) | 77% | moderate |