Last updated: June 24, 2025
In December, the average temperature in Plentywood, United States hovers around -7°C (19°F). While temperatures can plummet to a chilling -36°C (-33°F), they can also soar to a mild 11°C (52°F). Expect about 19 mm (0.7 in) of precipitation over 4 days, and a notable average humidity of 92%. Stay warm and dry this season!
In December in Plentywood, the average temperature is -7°C (19°F). The maximum can reach 11°C (52°F), while the minimum can drop as low as -36°C (-33°F). Travelers should be prepared for extreme fluctuations in temperature and dress warmly when visiting during this time.
In Plentywood in December, the precipitation amount is 19 mm (0.7 in) over the course of 4 days.
In Plentywood in December humidity is 92%. With average temperature -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making each step outside a struggle as the cold lingers in the air and moisture clings to your skin, turning even the briefest outings into a frigid challenge.
In Plentywood 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 Plentywood, you can visit Hourly UV Index in Plentywood.
UV Risk Categories
Weather in Plentywood varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Plentywood, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 9 mm (0.4 inches) | 89% | low |
| February Weather | -12°C (10°F) | 17 mm (0.7 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 23 mm (0.9 inches) | 84% | moderate |
| April Weather | 3°C (38°F) | 24 mm (0.9 inches) | 74% | very high |
| May Weather | 12°C (54°F) | 31 mm (1.2 inches) | 73% | very high |
| June Weather | 18°C (65°F) | 82 mm (3.2 inches) | 69% | very high |
| July Weather | 21°C (70°F) | 51 mm (2.0 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 36 mm (1.4 inches) | 74% | very high |
| September Weather | 14°C (57°F) | 55 mm (2.2 inches) | 65% | high |
| October Weather | 5°C (41°F) | 22 mm (0.9 inches) | 71% | moderate |
| November Weather | -2°C (28°F) | 22 mm (0.9 inches) | 84% | low |
| December Weather | -7°C (19°F) | 19 mm (0.7 inches) | 92% | low |