Frost dates in Antonito, CO
The average last spring frost in Antonito is around June 7 and the first fall frost is around September 14. That gives Antonito an average growing season of about 99 days.
Last spring frost
| Early (10% chance after) | May 18 |
|---|---|
| Average (50%) | June 7 |
| Late (90%) | June 21 |
First fall frost
| Early (10%) | August 28 |
|---|---|
| Average (50%) | September 14 |
| Late (90% chance before) | September 30 |