oklahoma frost dates, county by county.

Adair County

Last spring: 03-17 · First fall: 11-14

Alfalfa County

Last spring: 04-01 · First fall: 11-05

Atoka County

Last spring: 03-22 · First fall: 11-10

Beaver County

Last spring: 04-10 · First fall: 10-29

Beckham County

Last spring: 04-01 · First fall: 11-04

Blaine County

Last spring: 04-03 · First fall: 11-04

Bryan County

Last spring: 03-05 · First fall: 11-24

Caddo County

Last spring: 03-25 · First fall: 11-10

Canadian County

Last spring: 03-26 · First fall: 11-07

Carter County

Last spring: 03-07 · First fall: 11-19

Cherokee County

Last spring: 03-23 · First fall: 11-10

Choctaw County

Last spring: 03-02 · First fall: 11-30

Cimarron County

Last spring: 04-15 · First fall: 10-25

Cleveland County

Last spring: 03-23 · First fall: 11-12

Coal County

Last spring: 03-16 · First fall: 11-14

Comanche County

Last spring: 03-11 · First fall: 11-16

Cotton County

Last spring: 03-19 · First fall: 11-14

Craig County

Last spring: 03-25 · First fall: 11-05

Creek County

Last spring: 03-28 · First fall: 11-02

Custer County

Last spring: 04-01 · First fall: 11-05

Delaware County

Last spring: 04-03 · First fall: 10-30

Dewey County

Last spring: 04-08 · First fall: 10-29

Ellis County

Last spring: 04-05 · First fall: 11-04

Garfield County

Last spring: 03-26 · First fall: 11-10

Garvin County

Last spring: 03-24 · First fall: 11-09

Grady County

Last spring: 03-25 · First fall: 11-08

Grant County

Last spring: 04-01 · First fall: 11-04

Greer County

Last spring: 03-27 · First fall: 11-10

Harmon County

Last spring: 03-25 · First fall: 11-07

Harper County

Last spring: 04-07 · First fall: 11-01

Haskell County

Last spring: 03-09 · First fall: 11-16

Hughes County

Last spring: 03-15 · First fall: 11-16

Jackson County

Last spring: 03-22 · First fall: 11-12

Jefferson County

Last spring: 03-13 · First fall: 11-14

Johnston County

Last spring: 03-13 · First fall: 11-14

Kay County

Last spring: 03-29 · First fall: 11-05

Kingfisher County

Last spring: 03-29 · First fall: 11-07

Kiowa County

Last spring: 03-21 · First fall: 11-13

Latimer County

Last spring: 03-18 · First fall: 11-15

Le Flore County

Last spring: 03-25 · First fall: 11-12

Lincoln County

Last spring: 03-28 · First fall: 11-07

Logan County

Last spring: 03-23 · First fall: 11-11

Love County

Last spring: 03-15 · First fall: 11-12

Major County

Last spring: 03-26 · First fall: 11-10

Marshall County

Last spring: 03-11 · First fall: 11-19

Mayes County

Last spring: 03-23 · First fall: 11-08

McClain County

Last spring: 03-23 · First fall: 11-11

McCurtain County

Last spring: 03-13 · First fall: 11-14

McIntosh County

Last spring: 03-18 · First fall: 11-12

Murray County

Last spring: 03-23 · First fall: 11-09

Muskogee County

Last spring: 03-18 · First fall: 11-12

Noble County

Last spring: 03-28 · First fall: 11-05

Nowata County

Last spring: 03-26 · First fall: 11-10

Okfuskee County

Last spring: 03-11 · First fall: 11-20

Oklahoma County

Last spring: 03-17 · First fall: 11-13

Okmulgee County

Last spring: 03-29 · First fall: 11-06

Osage County

Last spring: 03-28 · First fall: 11-06

Ottawa County

Last spring: 03-25 · First fall: 11-05

Pawnee County

Last spring: 03-31 · First fall: 11-01

Payne County

Last spring: 03-21 · First fall: 11-11

Pittsburg County

Last spring: 03-15 · First fall: 11-13

Pontotoc County

Last spring: 03-19 · First fall: 11-13

Pottawatomie County

Last spring: 03-15 · First fall: 11-14

Pushmataha County

Last spring: 03-20 · First fall: 11-11

Roger Mills County

Last spring: 03-22 · First fall: 11-12

Rogers County

Last spring: 03-25 · First fall: 11-08

Seminole County

Last spring: 03-16 · First fall: 11-10

Sequoyah County

Last spring: 03-15 · First fall: 11-20

Stephens County

Last spring: 03-11 · First fall: 11-16

Texas County

Last spring: 04-08 · First fall: 11-01

Tillman County

Last spring: 03-11 · First fall: 11-21

Tulsa County

Last spring: 03-15 · First fall: 11-14

Wagoner County

Last spring: 03-15 · First fall: 11-16

Washington County

Last spring: 04-01 · First fall: 11-02

Washita County

Last spring: 03-23 · First fall: 11-09

Woods County

Last spring: 04-01 · First fall: 11-03

Woodward County

Last spring: 03-25 · First fall: 11-08