Frost dates in Rockville, UT
The average last spring frost in Rockville is around April 17 and the first fall frost is around November 1. That gives Rockville an average growing season of about 198 days.
Last spring frost
| Early (10% chance after) | March 19 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 5 |
First fall frost
| Early (10%) | October 13 |
|---|---|
| Average (50%) | November 1 |
| Late (90% chance before) | November 16 |