Frost dates in Kevin, MT
The average last spring frost in Kevin is around May 20 and the first fall frost is around September 19. That gives Kevin an average growing season of about 122 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 20 |
| Late (90%) | June 10 |
First fall frost
| Early (10%) | September 6 |
|---|---|
| Average (50%) | September 19 |
| Late (90% chance before) | October 4 |