Frost dates in Salt Lake City, UT
The average last spring frost in Salt Lake City is around April 20 and the first fall frost is around October 22. That gives Salt Lake City an average growing season of about 185 days.
Last spring frost
| Early (10% chance after) | April 5 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 6 |