Frost dates in Bridger, MT
The average last spring frost in Bridger is around May 16 and the first fall frost is around September 21. That gives Bridger an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 16 |
| Late (90%) | June 8 |
First fall frost
| Early (10%) | September 4 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 13 |