Frost dates in Deer Lodge, MT
The average last spring frost in Deer Lodge is around June 26 and the first fall frost is around August 28. That gives Deer Lodge an average growing season of about 63 days.
Last spring frost
| Early (10% chance after) | June 7 |
|---|---|
| Average (50%) | June 26 |
| Late (90%) | July 18 |
First fall frost
| Early (10%) | August 8 |
|---|---|
| Average (50%) | August 28 |
| Late (90% chance before) | September 13 |