Frost dates in Bow Mar, CO
The average last spring frost in Bow Mar is around May 8 and the first fall frost is around October 13. That gives Bow Mar an average growing season of about 158 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | May 8 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 27 |