Frost dates in Delta, UT
The average last spring frost in Delta is around May 16 and the first fall frost is around September 27. That gives Delta an average growing season of about 134 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 16 |
| Late (90%) | June 9 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 14 |