Frost dates in Tropic, UT
The average last spring frost in Tropic is around June 15 and the first fall frost is around September 14. That gives Tropic an average growing season of about 91 days.
Last spring frost
| Early (10% chance after) | May 22 |
|---|---|
| Average (50%) | June 15 |
| Late (90%) | July 1 |
First fall frost
| Early (10%) | August 23 |
|---|---|
| Average (50%) | September 14 |
| Late (90% chance before) | September 26 |