Frost dates in Clyde Park, MT
The average last spring frost in Clyde Park is around June 23 and the first fall frost is around September 10. That gives Clyde Park an average growing season of about 79 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | June 23 |
| Late (90%) | July 2 |
First fall frost
| Early (10%) | September 1 |
|---|---|
| Average (50%) | September 10 |
| Late (90% chance before) | September 21 |