Frost dates in Laramie, WY
The average last spring frost in Laramie is around June 9 and the first fall frost is around September 7. That gives Laramie an average growing season of about 90 days.
Last spring frost
| Early (10% chance after) | May 20 |
|---|---|
| Average (50%) | June 9 |
| Late (90%) | June 25 |
First fall frost
| Early (10%) | August 19 |
|---|---|
| Average (50%) | September 7 |
| Late (90% chance before) | September 21 |