Last updated: June 24, 2025
In Rosebud, United States, the average temperature in December hovers around -2°C (29°F). However, be prepared for extremes, as temperatures can plummet to a chilling -24°C (-12°F) or rise as high as a comfortable 22°C (71°F). Expect about 33 mm (1.3 in) of precipitation over 5 days, with an average humidity of 73%, adding to the season's crisp atmosphere.
In December in Rosebud, the average temperature is -2°C (29°F). Maximums can reach 22°C (71°F), while minimums can drop as low as -24°C (-12°F). This wide temperature range makes it essential to pack layers and be prepared for varying weather conditions while traveling.
In Rosebud in December, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.
In Rosebud in December, humidity is 73%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket wrap, making outdoor activities challenging as the cold air becomes damp, seeping into your clothes and chilling you to the bone.
In Rosebud 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 Rosebud, you can visit Hourly UV Index in Rosebud.
UV Risk Categories
Weather in Rosebud varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rosebud, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 20 mm (0.8 inches) | 74% | moderate |
| February Weather | -6°C (22°F) | 23 mm (0.9 inches) | 79% | moderate |
| March Weather | 2°C (36°F) | 61 mm (2.4 inches) | 65% | high |
| April Weather | 6°C (44°F) | 62 mm (2.5 inches) | 69% | very high |
| May Weather | 14°C (57°F) | 112 mm (4.4 inches) | 75% | very high |
| June Weather | 22°C (71°F) | 62 mm (2.4 inches) | 84% | extreme |
| July Weather | 24°C (76°F) | 71 mm (2.8 inches) | 84% | very high |
| August Weather | 22°C (72°F) | 56 mm (2.2 inches) | 83% | very high |
| September Weather | 18°C (65°F) | 58 mm (2.3 inches) | 72% | very high |
| October Weather | 8°C (47°F) | 55 mm (2.2 inches) | 68% | moderate |
| November Weather | 3°C (38°F) | 17 mm (0.7 inches) | 75% | moderate |
| December Weather | -2°C (29°F) | 33 mm (1.3 inches) | 73% | low |