Frost dates in Stevensville, MT
The average last spring frost in Stevensville is around May 30 and the first fall frost is around September 11. That gives Stevensville an average growing season of about 104 days.
Last spring frost
| Early (10% chance after) | May 7 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | June 21 |
First fall frost
| Early (10%) | August 28 |
|---|---|
| Average (50%) | September 11 |
| Late (90% chance before) | September 29 |