Big Sky Weather & Current Conditions
Big Sky Seasonal Average Temperatures
| Month | Average High | Average Low |
|---|---|---|
| January | 32° | 9° |
| February | 36° | 9° |
| March | 44° | 17° |
| April | 52° | 23° |
| May | 61° | 30° |
| June | 70° | 37° |
| July | 80° | 42° |
| August | 79° | 40° |
| September | 70° | 34° |
| October | 56° | 25° |
| November | 39° | 16° |
| December | 30° | 8° |
