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The weather in Montana in October is very cold with temperatures between 3°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Montana during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Montana during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Montana.
Our weather forecast can give you a great sense of what weather to expect in Montana in October 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 |