Frost dates in Mona, UT
The average last spring frost in Mona is around May 13 and the first fall frost is around October 5. That gives Mona an average growing season of about 145 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | June 2 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 20 |