Frost dates in Flagler, CO
The average last spring frost in Flagler is around May 12 and the first fall frost is around October 2. That gives Flagler an average growing season of about 143 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 16 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 15 |