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The weather in Montana in December is very cold with temperatures between -8°C and 0°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Montana during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Montana is going to experience quite a number of days of snow during December. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Montana in December 2024.
If you’re planning to visit Montana in the near future, we highly recommend that you review the 14 day weather forecast for Montana before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -8° | 4 | 13 | 14 | 31 mm | Awful | Montana in January |
| February | 0° / -9° | 4 | 10 | 15 | 37 mm | Awful | Montana in February |
| March | 8° / -3° | 5 | 15 | 11 | 51 mm | Bad | Montana in March |
| April | 12° / 1° | 6 | 17 | 7 | 74 mm | Bad | Montana in April |
| May | 18° / 6° | 8 | 22 | 1 | 92 mm | Ok | Montana in May |
| June | 25° / 10° | 5 | 25 | 0 | 62 mm | Perfect | Montana in June |
| July | 31° / 15° | 2 | 29 | 0 | 29 mm | Good | Montana in July |
| August | 29° / 15° | 2 | 29 | 0 | 42 mm | Good | Montana in August |
| September | 24° / 10° | 2 | 28 | 0 | 34 mm | Perfect | Montana in September |
| October | 14° / 3° | 3 | 24 | 4 | 57 mm | Ok | Montana in October |
| November | 7° / -3° | 4 | 18 | 8 | 31 mm | Bad | Montana in November |
| December | 0° / -8° | 5 | 11 | 14 | 28 mm | Awful | Montana in December |