Frost dates in Judith Gap, MT
The average last spring frost in Judith Gap is around May 24 and the first fall frost is around September 21. That gives Judith Gap an average growing season of about 120 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 18 |
First fall frost
| Early (10%) | August 31 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 5 |