Frost dates in Dayton, WY
The average last spring frost in Dayton is around May 24 and the first fall frost is around September 15. That gives Dayton an average growing season of about 114 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 10 |
First fall frost
| Early (10%) | September 3 |
|---|---|
| Average (50%) | September 15 |
| Late (90% chance before) | October 8 |