Frost dates in Brigham City, UT
The average last spring frost in Brigham City is around May 7 and the first fall frost is around October 5. That gives Brigham City an average growing season of about 151 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 7 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 21 |