Frostline.info

Frost line depth in New York

Estimated frost depth in typical soil runs from 22″ to 46″ across New York's 62 counties. Pick your county or enter a ZIP code for a local estimate.

Deepest frost

  1. Hamilton County 46″
  2. Essex County 45″
  3. Franklin County 45″
  4. St. Lawrence County 44″
  5. Lewis County 43″

Mildest

  1. Queens County 22″
  2. New York County 22″
  3. Nassau County 22″
  4. Bronx County 22″
  5. Richmond County 23″

Frost depth by county

CountyEst. frost (typical soil)Typical code range
Albany County37″30–48″
Allegany County38″30–48″
Bronx County22″18–30″
Broome County38″30–48″
Cattaraugus County39″30–48″
Cayuga County35″30–48″
Chautauqua County35″30–42″
Chemung County37″30–48″
Chenango County39″30–48″
Clinton County42″36–54″
Columbia County36″30–48″
Cortland County37″30–48″
Delaware County38″30–48″
Dutchess County34″30–42″
Erie County35″30–48″
Essex County45″36–54″
Franklin County45″36–54″
Fulton County39″30–48″
Genesee County35″30–48″
Greene County37″30–48″
Hamilton County46″36–60″
Herkimer County40″36–54″
Jefferson County41″36–54″
Kings County23″18–30″
Lewis County43″36–54″
Livingston County36″30–48″
Madison County38″30–48″
Monroe County34″30–42″
Montgomery County38″30–48″
Nassau County22″18–30″
New York County22″18–30″
Niagara County34″30–42″
Oneida County40″36–48″
Onondaga County35″30–42″
Ontario County35″30–48″
Orange County32″30–42″
Orleans County34″30–42″
Oswego County36″30–48″
Otsego County38″30–48″
Putnam County31″24–42″
Queens County22″18–30″
Rensselaer County38″30–48″
Richmond County23″18–30″
Rockland County26″24–36″
Saratoga County38″30–48″
Schenectady County37″30–48″
Schoharie County38″30–48″
Schuyler County36″30–48″
Seneca County34″30–42″
St. Lawrence County44″36–54″
Steuben County36″30–48″
Suffolk County23″18–30″
Sullivan County37″30–48″
Tioga County37″30–48″
Tompkins County37″30–48″
Ulster County34″30–42″
Warren County41″36–54″
Washington County40″36–48″
Wayne County35″30–42″
Westchester County27″24–36″
Wyoming County37″30–48″
Yates County33″30–42″

Common questions

What is the frost line depth in New York?

It ranges from about 22 inches in the mildest county to 46 inches in the coldest, in typical soil.

Which New York county has the deepest frost?

Hamilton County, at about 46 inches in typical soil.