Frost dates in Granger, WY
The average last spring frost in Granger is around May 31 and the first fall frost is around September 20. That gives Granger an average growing season of about 112 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | May 31 |
| Late (90%) | June 19 |
First fall frost
| Early (10%) | September 2 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 13 |