Frostline.info

Frost line depth in Kentucky

Estimated frost depth in typical soil runs from 21″ to 30″ across Kentucky's 120 counties. Pick your county or enter a ZIP code for a local estimate.

Deepest frost

  1. Campbell County 30″
  2. Bracken County 30″
  3. Pendleton County 30″
  4. Robertson County 30″
  5. Kenton County 30″

Mildest

  1. Clay County 21″
  2. Laurel County 21″
  3. Jackson County 21″
  4. Allen County 21″
  5. Owsley County 21″

Frost depth by county

CountyEst. frost (typical soil)Typical code range
Adair County23″18–30″
Allen County21″18–30″
Anderson County28″24–36″
Ballard County21″18–30″
Barren County22″18–30″
Bath County26″24–36″
Bell County23″18–30″
Boone County29″24–36″
Bourbon County25″24–36″
Boyd County27″24–36″
Boyle County26″24–36″
Bracken County30″24–36″
Breathitt County25″24–36″
Breckinridge County27″24–36″
Bullitt County26″24–36″
Butler County24″18–30″
Caldwell County22″18–30″
Calloway County21″18–30″
Campbell County30″24–42″
Carlisle County22″18–30″
Carroll County26″24–36″
Carter County27″24–36″
Casey County23″18–30″
Christian County23″18–30″
Clark County24″18–30″
Clay County21″18–30″
Clinton County22″18–30″
Crittenden County24″18–30″
Cumberland County23″18–30″
Daviess County24″24–30″
Edmonson County23″18–30″
Elliott County28″24–36″
Estill County23″18–30″
Fayette County26″24–36″
Fleming County27″24–36″
Floyd County26″24–36″
Franklin County28″24–36″
Fulton County21″18–30″
Gallatin County27″24–36″
Garrard County24″24–30″
Grant County29″24–36″
Graves County21″18–30″
Grayson County27″24–36″
Green County24″18–30″
Greenup County25″24–36″
Hancock County26″24–36″
Hardin County25″24–36″
Harlan County23″18–30″
Harrison County29″24–36″
Hart County23″18–30″
Henderson County24″24–30″
Henry County27″24–36″
Hickman County21″18–30″
Hopkins County23″18–30″
Jackson County21″18–30″
Jefferson County28″24–36″
Jessamine County26″24–36″
Johnson County28″24–36″
Kenton County30″24–36″
Knott County24″18–30″
Knox County21″18–30″
Larue County23″18–30″
Laurel County21″18–30″
Lawrence County28″24–36″
Lee County25″24–36″
Leslie County22″18–30″
Letcher County21″18–30″
Lewis County26″24–36″
Lincoln County24″24–30″
Livingston County23″18–30″
Logan County24″18–30″
Lyon County22″18–30″
Madison County23″18–30″
Magoffin County27″24–36″
Marion County24″18–30″
Marshall County21″18–30″
Martin County27″24–36″
Mason County29″24–36″
McCracken County22″18–30″
McCreary County22″18–30″
McLean County23″18–30″
Meade County27″24–36″
Menifee County27″24–36″
Mercer County27″24–36″
Metcalfe County23″18–30″
Monroe County22″18–30″
Montgomery County24″18–30″
Morgan County28″24–36″
Muhlenberg County23″18–30″
Nelson County24″24–30″
Nicholas County26″24–36″
Ohio County23″18–30″
Oldham County29″24–36″
Owen County27″24–36″
Owsley County21″18–30″
Pendleton County30″24–36″
Perry County22″18–30″
Pike County25″24–36″
Powell County25″24–36″
Pulaski County22″18–30″
Robertson County30″24–36″
Rockcastle County22″18–30″
Rowan County28″24–36″
Russell County23″18–30″
Scott County28″24–36″
Shelby County29″24–36″
Simpson County22″18–30″
Spencer County28″24–36″
Taylor County23″18–30″
Todd County24″18–30″
Trigg County23″18–30″
Trimble County26″24–36″
Union County25″24–36″
Warren County22″18–30″
Washington County25″24–30″
Wayne County22″18–30″
Webster County24″18–30″
Whitley County22″18–30″
Wolfe County27″24–36″
Woodford County27″24–36″

Common questions

What is the frost line depth in Kentucky?

It ranges from about 21 inches in the mildest county to 30 inches in the coldest, in typical soil.

Which Kentucky county has the deepest frost?

Campbell County, at about 30 inches in typical soil.