Frost dates in Lone Tree, CO
The average last spring frost in Lone Tree is around May 12 and the first fall frost is around October 8. That gives Lone Tree an average growing season of about 149 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 16 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 27 |