Frost dates in Montrose, CO
The average last spring frost in Montrose is around May 10 and the first fall frost is around October 6. That gives Montrose an average growing season of about 149 days.
Last spring frost
| Early (10% chance after) | April 22 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | October 23 |