Last updated: June 24, 2025
In Choteau, United States, the average temperature in December hovers around -3°C (27°F). However, be prepared for extremes, as temperatures can plummet to a chilling -29°C (-20°F) or rise as high as 18°C (65°F). During this month, you'll likely encounter 28 mm (1.1 in) of precipitation over approximately 8 days, accompanied by a notable average humidity of 90%.
In December in Choteau, the average temperature is -3°C (27°F), with a maximum that can reach 18°C (65°F) and a minimum that can drop as low as -29°C (-20°F). Be sure to pack warm clothing and prepare for a range of temperatures if you plan to travel during this time.
In Choteau in December, the total precipitation amount is 28 mm (1.1 in) spread over 8 days.
In Choteau in December humidity is 90%. With an average temperature of -3°C (27°F), this humidity feels like a bitter chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to combat both the cold and the dampness in the air.
In Choteau 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 Choteau, you can visit Hourly UV Index in Choteau.
UV Risk Categories
Weather in Choteau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Choteau, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 16 mm (0.6 inches) | 87% | low |
| February Weather | -8°C (18°F) | 40 mm (1.6 inches) | 88% | moderate |
| March Weather | 0°C (31°F) | 27 mm (1.1 inches) | 83% | moderate |
| April Weather | 4°C (40°F) | 57 mm (2.3 inches) | 78% | very high |
| May Weather | 11°C (52°F) | 82 mm (3.2 inches) | 76% | very high |
| June Weather | 16°C (61°F) | 73 mm (2.9 inches) | 78% | very high |
| July Weather | 20°C (69°F) | 14 mm (0.5 inches) | 77% | very high |
| August Weather | 19°C (67°F) | 23 mm (0.9 inches) | 71% | very high |
| September Weather | 13°C (57°F) | 43 mm (1.7 inches) | 68% | very high |
| October Weather | 5°C (42°F) | 38 mm (1.5 inches) | 72% | moderate |
| November Weather | 1°C (34°F) | 30 mm (1.2 inches) | 84% | moderate |
| December Weather | -3°C (27°F) | 28 mm (1.1 inches) | 90% | low |