Last updated: June 24, 2025
In Glendive, United States, the average temperature in December hovers around -4°C (25°F). However, be prepared for extremes, as temperatures can dip to a chilling -29°C (-21°F) or rise to a balmy 21°C (70°F). On top of that, expect about 17 mm (0.7 in) of precipitation spread over roughly 4 days, with an average humidity of 84%. Stay cozy!
In December in Glendive, the average temperature is -4°C (25°F). Maximum temperatures can reach 21°C (70°F), while the minimum can drop as low as -29°C (-21°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm clothing for the cold spells and lighter layers for the warmer days.
In Glendive in December, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.
In Glendive in December, humidity is 84%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.
In Glendive 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 Glendive, you can visit Hourly UV Index in Glendive.
UV Risk Categories
Weather in Glendive varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Glendive, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 11 mm (0.4 inches) | 83% | low |
| February Weather | -9°C (16°F) | 22 mm (0.9 inches) | 86% | moderate |
| March Weather | 0°C (33°F) | 16 mm (0.6 inches) | 77% | moderate |
| April Weather | 5°C (42°F) | 30 mm (1.2 inches) | 72% | very high |
| May Weather | 13°C (56°F) | 55 mm (2.2 inches) | 77% | very high |
| June Weather | 20°C (69°F) | 48 mm (1.9 inches) | 79% | very high |
| July Weather | 24°C (76°F) | 29 mm (1.1 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 35 mm (1.4 inches) | 74% | very high |
| September Weather | 16°C (62°F) | 57 mm (2.3 inches) | 68% | very high |
| October Weather | 7°C (44°F) | 37 mm (1.5 inches) | 70% | moderate |
| November Weather | 1°C (33°F) | 18 mm (0.7 inches) | 80% | moderate |
| December Weather | -4°C (25°F) | 17 mm (0.7 inches) | 84% | low |