Click on a day for an hourly weather forecast
The temperatures in Bozeman in August are comfortable with low of 10°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Bozeman during the month of August. 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 Bozeman in August 2025.
If you’re planning to visit Bozeman in the near future, we highly recommend that you review the 14 day weather forecast for Bozeman before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -13° | 4 | 7 | 20 | 87 mm | Awful | Bozeman in January |
| February | -6° / -14° | 6 | 1 | 23 | 110 mm | Awful | Bozeman in February |
| March | 0° / -8° | 9 | 4 | 21 | 121 mm | Awful | Bozeman in March |
| April | 5° / -3° | 11 | 3 | 19 | 164 mm | Awful | Bozeman in April |
| May | 11° / 2° | 15 | 8 | 9 | 191 mm | Awful | Bozeman in May |
| June | 18° / 6° | 11 | 19 | 1 | 143 mm | Ok | Bozeman in June |
| July | 24° / 10° | 4 | 27 | 0 | 69 mm | Perfect | Bozeman in July |
| August | 23° / 10° | 5 | 26 | 0 | 78 mm | Perfect | Bozeman in August |
| September | 18° / 6° | 5 | 23 | 2 | 80 mm | Ok | Bozeman in September |
| October | 7° / -2° | 8 | 13 | 11 | 109 mm | Awful | Bozeman in October |
| November | 0° / -9° | 5 | 9 | 16 | 90 mm | Awful | Bozeman in November |
| December | -6° / -14° | 6 | 5 | 21 | 86 mm | Awful | Bozeman in December |