Oklahoma Frost Dates
Oklahoma has a long warm season in many areas, but weather swings, wind, and dry spells keep gardeners on their toes. Southern counties often move ahead sooner, while the Panhandle and northern sections can hold onto spring frost longer and cool down faster in fall.
Look up your exact frost dates
Frost timing shifts across Oklahoma with elevation and distance from water. Enter your ZIP code for dates from your nearest weather station.
Oklahoma locations
| ZIP | Area | Hardiness zone |
|---|---|---|
| 73086 | Sulphur | 7b |
| 73132 | Oklahoma City | 7b |
| 73446 | Madill | 8a |
| 73741 | Helena | 7a |
| 73750 | Kingfisher | 7b |
| 73754 | Lahoma | 7a |
| 73772 | Watonga | 7b |
| 73853 | Mutual | 7a |
| 74048 | Nowata | 7a |
| 74075 | Stillwater | 7a |
| 74078 | Stillwater | 7a |
| 74081 | Westport | 7a |
| 74347 | Kansas | 7a |
| 74354 | Miami | 7a |
| 74464 | Tahlequah | 7b |
| 74467 | Wagoner | 7b |
| 74701 | Durant | 8a |
| 74722 | Hochatown | 7b |
| 74834 | Chandler | 7b |
| 74848 | Holdenville | 7b |
| 73001 | Binger | 7b |
| 73002 | Alex | 7b |
| 73003 | Edmond | 7b |
| 73004 | Blanchard | 7b |
| 73005 | Anadarko | 7b |
| 73006 | Apache | 7b |
| 73007 | Edmond | 7b |
| 73008 | Bethany | 7b |
| 73009 | Binger | 7b |
| 73010 | Blanchard | 7b |
| 73011 | Bradley | 7b |
| 73012 | Oklahoma City | 7b |
| 73013 | Oklahoma City | 7b |
| 73014 | Calumet | 7b |
| 73015 | Carnegie | 7b |
| 73016 | Cashion | 7b |
| 73017 | Cement | 7b |
| 73018 | Chickasha | 7b |
| 73019 | Norman | 7b |
| 73020 | Choctaw | 7b |
| 73021 | Colony | 7b |
| 73022 | El Reno | 7b |
| 73024 | Corn | 7b |
| 73025 | Guthrie | 7b |
| 73026 | Norman | 7b |
| 73027 | Coyle | 7b |
| 73028 | Crescent | 7a |
| 73029 | Cyril | 7b |
| 73030 | Davis | 7b |
| 73031 | Dibble | 7b |
| 73032 | Dougherty | 8a |
| 73033 | Eakly | 7b |
| 73034 | Edmond | 7b |
| 73036 | El Reno | 7b |
| 73038 | Fort Cobb | 7b |
| 73040 | Geary | 7b |
| 73041 | Gotebo | 7b |
| 73042 | Gracemont | 7b |
| 73043 | Greenfield | 7b |
| 73044 | Guthrie | 7b |
Source: NOAA 1991–2020 U.S. Climate Normals (public domain) and USDA 2023 Plant Hardiness Zone Map. Page updated Aug 4, 2026.