Last updated: June 24, 2025
In December, the average temperature in Belt, United States hovers around -1°C (30°F). Be prepared for a range, as temperatures can dip to a chilling -28°C (-18°F) or rise to a mild 18°C (64°F). The weather also brings about 29 mm (1.2 in) of precipitation over an average of 7 days, accompanied by a notable 90% humidity, creating a uniquely brisk atmosphere.
In December, in Belt, the average temperature is -1°C (30°F). The maximum can reach 18°C (64°F), while the minimum can drop as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Belt in December, the precipitation amount is 29 mm (1.2 in) over the course of 7 days.
In Belt in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.
In Belt 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 Belt, you can visit Hourly UV Index in Belt.
UV Risk Categories
Weather in Belt varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Belt, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 18 mm (0.7 inches) | 87% | low |
| February Weather | -7°C (20°F) | 44 mm (1.7 inches) | 88% | moderate |
| March Weather | 1°C (34°F) | 26 mm (1.0 inches) | 83% | moderate |
| April Weather | 6°C (42°F) | 63 mm (2.5 inches) | 78% | high |
| May Weather | 12°C (54°F) | 62 mm (2.5 inches) | 76% | very high |
| June Weather | 18°C (64°F) | 71 mm (2.8 inches) | 78% | very high |
| July Weather | 22°C (73°F) | 13 mm (0.5 inches) | 77% | very high |
| August Weather | 21°C (70°F) | 22 mm (0.9 inches) | 71% | very high |
| September Weather | 15°C (60°F) | 35 mm (1.4 inches) | 68% | high |
| October Weather | 7°C (45°F) | 41 mm (1.6 inches) | 72% | moderate |
| November Weather | 3°C (37°F) | 34 mm (1.3 inches) | 84% | moderate |
| December Weather | -1°C (30°F) | 29 mm (1.2 inches) | 90% | low |