Frost dates in Charleston, UT
The average last spring frost in Charleston is around June 12 and the first fall frost is around September 11. That gives Charleston an average growing season of about 91 days.
Last spring frost
| Early (10% chance after) | May 22 |
|---|---|
| Average (50%) | June 12 |
| Late (90%) | June 30 |
First fall frost
| Early (10%) | August 21 |
|---|---|
| Average (50%) | September 11 |
| Late (90% chance before) | September 28 |