Frost dates in Glendo, WY
The average last spring frost in Glendo is around May 9 and the first fall frost is around October 5. That gives Glendo an average growing season of about 149 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 9 |
| Late (90%) | May 21 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 23 |