Frost dates in Alpine, UT
The average last spring frost in Alpine is around May 10 and the first fall frost is around October 5. That gives Alpine an average growing season of about 148 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 27 |