Bozeman Climate: Weather by Month and Best Time to Visit
Best months for Bozeman: August, July, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -11°C | 31 mm | 9 | – | – | 3.9 |
| February | 0°C | -10°C | 33 mm | 9 | – | – | 3.9 |
| March | 5°C | -6°C | 48 mm | 11 | – | – | 4.4 |
| April | 9°C | -3°C | 82 mm | 14 | – | – | 4.8 |
| May | 15°C | 2°C | 102 mm | 16 | – | – | 5.7 |
| June | 20°C | 6°C | 107 mm | 15 | – | – | 6.7 |
| July | 26°C | 9°C | 52 mm | 9 | – | – | 7.8 |
| August | 26°C | 9°C | 39 mm | 8 | – | – | 8.1 |
| September | 20°C | 5°C | 53 mm | 8 | – | – | 7.7 |
| October | 11°C | -1°C | 59 mm | 10 | – | – | 5.8 |
| November | 3°C | -7°C | 42 mm | 9 | – | – | 4.2 |
| December | -2°C | -12°C | 34 mm | 9 | – | – | 3.9 |