Click on a day for an hourly weather forecast
The weather in Missoula in June is very cold with temperatures between 3°C and 22°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Missoula during the month of June. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Missoula in June 2025.
If you’re planning to visit Missoula in the near future, we highly recommend that you review the 14 day weather forecast for Missoula before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -10° | 8 | 6 | 18 | 36 mm | Awful | Missoula in January |
| February | 1° / -11° | 8 | 3 | 19 | 42 mm | Awful | Missoula in February |
| March | 6° / -6° | 8 | 9 | 14 | 40 mm | Awful | Missoula in March |
| April | 10° / -4° | 8 | 13 | 9 | 41 mm | Bad | Missoula in April |
| May | 17° / 0° | 6 | 23 | 2 | 42 mm | Ok | Missoula in May |
| June | 22° / 3° | 6 | 25 | 0 | 40 mm | Good | Missoula in June |
| July | 29° / 7° | 2 | 29 | 0 | 12 mm | Good | Missoula in July |
| August | 29° / 7° | 2 | 29 | 0 | 15 mm | Good | Missoula in August |
| September | 23° / 4° | 2 | 28 | 0 | 19 mm | Perfect | Missoula in September |
| October | 13° / -2° | 5 | 23 | 4 | 35 mm | Bad | Missoula in October |
| November | 5° / -7° | 7 | 12 | 12 | 32 mm | Awful | Missoula in November |
| December | 0° / -11° | 9 | 5 | 18 | 34 mm | Awful | Missoula in December |