Frost line depth in Utah
Estimated frost depth in typical soil runs from 12″ to 52″ across Utah's 29 counties. Pick your county or enter a ZIP code for a local estimate.
Deepest frost
- Uintah County 52″
- Daggett County 51″
- Duchesne County 50″
- Rich County 48″
- Carbon County 42″
Mildest
- Washington County 12″
- Kane County 26″
- Iron County 27″
- Salt Lake County 28″
- Juab County 29″
Frost depth by county
| County | Est. frost (typical soil) | Typical code range |
|---|---|---|
| Beaver County | 30″ | 24–36″ |
| Box Elder County | 36″ | 30–48″ |
| Cache County | 37″ | 30–48″ |
| Carbon County | 42″ | 36–54″ |
| Daggett County | 51″ | 42–66″ |
| Davis County | 30″ | 24–36″ |
| Duchesne County | 50″ | 42–60″ |
| Emery County | 39″ | 30–48″ |
| Garfield County | 39″ | 36–48″ |
| Grand County | 31″ | 30–42″ |
| Iron County | 27″ | 24–36″ |
| Juab County | 29″ | 24–36″ |
| Kane County | 26″ | 24–36″ |
| Millard County | 32″ | 30–42″ |
| Morgan County | 37″ | 30–48″ |
| Piute County | 33″ | 30–42″ |
| Rich County | 48″ | 42–60″ |
| Salt Lake County | 28″ | 24–36″ |
| San Juan County | 32″ | 30–42″ |
| Sanpete County | 36″ | 30–48″ |
| Sevier County | 31″ | 24–42″ |
| Summit County | 40″ | 36–54″ |
| Tooele County | 30″ | 24–42″ |
| Uintah County | 52″ | 42–66″ |
| Utah County | 33″ | 30–42″ |
| Wasatch County | 41″ | 36–54″ |
| Washington County | 12″ | 12–18″ |
| Wayne County | 33″ | 30–42″ |
| Weber County | 33″ | 30–42″ |
Common questions
What is the frost line depth in Utah?
It ranges from about 12 inches in the mildest county to 52 inches in the coldest, in typical soil.
Which Utah county has the deepest frost?
Uintah County, at about 52 inches in typical soil.