Frostline.info

Frost line depth in Texas

Estimated frost depth in typical soil runs from 2″ to 22″ across Texas's 255 counties. Pick your county or enter a ZIP code for a local estimate.

Deepest frost

  1. Lipscomb County 22″
  2. Hemphill County 21″
  3. Ochiltree County 20″
  4. Roberts County 20″
  5. Sherman County 19″

Mildest

  1. Hidalgo County 2″
  2. Zapata County 2″
  3. Starr County 2″
  4. Cameron County 2″
  5. Webb County 2″

Frost depth by county

CountyEst. frost (typical soil)Typical code range
Anderson County7″12–18″
Andrews County9″12–18″
Angelina County7″12–18″
Aransas County3″12″ minimum
Archer County11″12–18″
Armstrong County16″12–24″
Atascosa County4″12″ minimum
Austin County6″12–18″
Bailey County13″12–18″
Bandera County5″12–18″
Bastrop County5″12–18″
Baylor County12″12–18″
Bee County4″12″ minimum
Bell County7″12–18″
Bexar County4″12″ minimum
Blanco County6″12–18″
Borden County11″12–18″
Bosque County8″12–18″
Bowie County9″12–18″
Brazoria County4″12–18″
Brazos County6″12–18″
Brewster County7″12–18″
Briscoe County15″12–18″
Brooks County3″12″ minimum
Brown County9″12–18″
Burleson County6″12–18″
Burnet County7″12–18″
Caldwell County5″12–18″
Calhoun County3″12″ minimum
Callahan County9″12–18″
Cameron County2″12″ minimum
Camp County10″12–18″
Carson County17″18–24″
Cass County9″12–18″
Castro County15″12–18″
Chambers County4″12–18″
Cherokee County8″12–18″
Childress County15″12–18″
Clay County12″12–18″
Cochran County13″12–18″
Coke County9″12–18″
Coleman County8″12–18″
Collin County9″12–18″
Collingsworth County14″12–18″
Colorado County5″12–18″
Comal County5″12–18″
Comanche County9″12–18″
Concho County8″12–18″
Cooke County12″12–18″
Coryell County7″12–18″
Cottle County14″12–18″
Crane County7″12–18″
Crockett County7″12–18″
Crosby County14″12–18″
Culberson County9″12–18″
Dallam County18″18–24″
Dallas County9″12–18″
Dawson County11″12–18″
De Witt County4″12″ minimum
Deaf Smith County16″12–24″
Delta County10″12–18″
Denton County9″12–18″
DeWitt County4″12″ minimum
Dickens County14″12–18″
Dimmit County3″12″ minimum
Donley County17″18–24″
Duval County3″12″ minimum
Eastland County10″12–18″
Ector County8″12–18″
Edwards County6″12–18″
El Paso County9″12–18″
Ellis County8″12–18″
Erath County9″12–18″
Falls County7″12–18″
Fannin County10″12–18″
Fayette County5″12–18″
Fisher County10″12–18″
Floyd County15″12–18″
Foard County14″12–18″
Fort Bend County5″12–18″
Franklin County10″12–18″
Freestone County7″12–18″
Frio County4″12″ minimum
Gaines County10″12–18″
Galveston County4″12″ minimum
Garza County13″12–18″
Gillespie County6″12–18″
Glasscock County9″12–18″
Goliad County4″12″ minimum
Gonzales County5″12–18″
Gray County18″18–24″
Grayson County11″12–18″
Gregg County9″12–18″
Grimes County6″12–18″
Guadalupe County5″12–18″
Hale County14″12–18″
Hall County15″12–18″
Hamilton County9″12–18″
Hansford County19″18–24″
Hardeman County14″12–18″
Hardin County5″12–18″
Harris County5″12–18″
Harrison County8″12–18″
Hartley County18″18–24″
Haskell County11″12–18″
Hays County6″12–18″
Hemphill County21″18–30″
Henderson County9″12–18″
Hidalgo County2″12″ minimum
Hill County8″12–18″
Hockley County13″12–18″
Hood County10″12–18″
Hopkins County10″12–18″
Houston County7″12–18″
Howard County9″12–18″
Hudspeth County10″12–18″
Hunt County10″12–18″
Hutchinson County17″18–24″
Irion County7″12–18″
Jack County10″12–18″
Jackson County4″12″ minimum
Jasper County6″12–18″
Jeff Davis County9″12–18″
Jefferson County5″12–18″
Jim Hogg County2″12″ minimum
Jim Wells County3″12″ minimum
Johnson County8″12–18″
Jones County10″12–18″
Karnes County4″12″ minimum
Kaufman County9″12–18″
Kendall County6″12–18″
Kenedy County2″12″ minimum
Kent County13″12–18″
Kerr County6″12–18″
Kimble County7″12–18″
King County12″12–18″
Kinney County3″12″ minimum
Kleberg County2″12″ minimum
Knox County11″12–18″
La Salle County3″12″ minimum
Lamar County11″12–18″
Lamb County14″12–18″
Lampasas County7″12–18″
Lavaca County4″12″ minimum
Lee County6″12–18″
Leon County7″12–18″
Liberty County5″12–18″
Limestone County7″12–18″
Lipscomb County22″18–30″
Live Oak County4″12″ minimum
Llano County7″12–18″
Loving County8″12–18″
Lubbock County13″12–18″
Lynn County12″12–18″
Madison County6″12–18″
Marion County9″12–18″
Martin County9″12–18″
Mason County8″12–18″
Matagorda County4″12″ minimum
Maverick County3″12″ minimum
McCulloch County9″12–18″
McLennan County7″12–18″
McMullen County4″12″ minimum
Medina County4″12″ minimum
Menard County7″12–18″
Midland County8″12–18″
Milam County6″12–18″
Mills County9″12–18″
Mitchell County10″12–18″
Montague County11″12–18″
Montgomery County5″12–18″
Moore County18″18–24″
Morris County10″12–18″
Motley County14″12–18″
Nacogdoches County8″12–18″
Navarro County8″12–18″
Newton County6″12–18″
Nolan County9″12–18″
Nueces County2″12″ minimum
Ochiltree County20″18–30″
Oldham County17″18–24″
Orange County5″12–18″
Palo Pinto County9″12–18″
Panola County8″12–18″
Parker County11″12–18″
Parmer County14″12–18″
Pecos County8″12–18″
Polk County6″12–18″
Potter County17″18–24″
Presidio County8″12–18″
Rains County10″12–18″
Randall County15″12–18″
Reagan County8″12–18″
Real County5″12–18″
Red River County11″12–18″
Reeves County8″12–18″
Refugio County3″12″ minimum
Roberts County20″18–24″
Robertson County6″12–18″
Rockwall County9″12–18″
Runnels County8″12–18″
Rusk County8″12–18″
Sabine County7″12–18″
San Augustine County7″12–18″
San Jacinto County6″12–18″
San Patricio County3″12″ minimum
San Saba County8″12–18″
Schleicher County7″12–18″
Scurry County11″12–18″
Shackelford County10″12–18″
Shelby County7″12–18″
Sherman County19″18–24″
Smith County9″12–18″
Somervell County8″12–18″
Starr County2″12″ minimum
Stephens County10″12–18″
Sterling County9″12–18″
Stonewall County11″12–18″
Sutton County7″12–18″
Swisher County15″12–18″
Tarrant County9″12–18″
Taylor County9″12–18″
Terrell County7″12–18″
Terry County12″12–18″
Throckmorton County11″12–18″
Titus County11″12–18″
Tom Green County8″12–18″
Travis County5″12–18″
Trinity County7″12–18″
Tyler County6″12–18″
Upshur County9″12–18″
Upton County8″12–18″
Uvalde County4″12″ minimum
Val Verde County4″12–18″
Van Zandt County9″12–18″
Victoria County4″12″ minimum
Walker County6″12–18″
Waller County5″12–18″
Ward County8″12–18″
Washington County6″12–18″
Webb County2″12″ minimum
Wharton County5″12–18″
Wheeler County19″18–24″
Wichita County12″12–18″
Wilbarger County13″12–18″
Willacy County2″12″ minimum
Williamson County6″12–18″
Wilson County4″12″ minimum
Winkler County8″12–18″
Wise County11″12–18″
Wood County10″12–18″
Yoakum County11″12–18″
Young County11″12–18″
Zapata County2″12″ minimum
Zavala County3″12″ minimum

Common questions

What is the frost line depth in Texas?

It ranges from about 2 inches in the mildest county to 22 inches in the coldest, in typical soil.

Which Texas county has the deepest frost?

Lipscomb County, at about 22 inches in typical soil.