Frost line depth in Wyoming
Estimated frost depth in typical soil runs from 32″ to 54″ across Wyoming's 23 counties. Pick your county or enter a ZIP code for a local estimate.
Deepest frost
- Sublette County 54″
- Sweetwater County 50″
- Teton County 49″
- Big Horn County 49″
- Washakie County 49″
Mildest
- Laramie County 32″
- Platte County 32″
- Goshen County 33″
- Converse County 35″
- Natrona County 37″
Frost depth by county
| County | Est. frost (typical soil) | Typical code range |
|---|---|---|
| Albany County | 41″ | 36–54″ |
| Big Horn County | 49″ | 42–60″ |
| Campbell County | 43″ | 36–54″ |
| Carbon County | 42″ | 36–54″ |
| Converse County | 35″ | 30–48″ |
| Crook County | 43″ | 36–54″ |
| Fremont County | 48″ | 42–60″ |
| Goshen County | 33″ | 30–42″ |
| Hot Springs County | 45″ | 36–54″ |
| Johnson County | 43″ | 36–54″ |
| Laramie County | 32″ | 30–42″ |
| Lincoln County | 49″ | 42–60″ |
| Natrona County | 37″ | 30–48″ |
| Niobrara County | 40″ | 36–48″ |
| Park County | 43″ | 36–54″ |
| Platte County | 32″ | 30–42″ |
| Sheridan County | 46″ | 36–60″ |
| Sublette County | 54″ | 48–66″ |
| Sweetwater County | 50″ | 42–60″ |
| Teton County | 49″ | 42–60″ |
| Uinta County | 48″ | 42–60″ |
| Washakie County | 49″ | 42–60″ |
| Weston County | 43″ | 36–54″ |
Common questions
What is the frost line depth in Wyoming?
It ranges from about 32 inches in the mildest county to 54 inches in the coldest, in typical soil.
Which Wyoming county has the deepest frost?
Sublette County, at about 54 inches in typical soil.