Frost dates in Mendon, UT
The average last spring frost in Mendon is around May 18 and the first fall frost is around September 23. That gives Mendon an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 14 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 12 |