Oklahoma frost dates
Median last spring frost and first fall frost for 582 places in Oklahoma. Last frost ranges from Mar 14 in Cartwright to Apr 26 in Boise City.
Largest cities
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Oklahoma City | Apr 2 | Nov 5 | 217 d | 7b |
| Tulsa | Mar 31 | Nov 4 | 218 d | 7b |
| Norman | Apr 3 | Nov 3 | 214 d | 7b |
| Broken Arrow | Apr 1 | Nov 1 | 214 d | 7b |
| Lawton | Mar 26 | Nov 7 | 226 d | 7b |
| Edmond | Apr 2 | Nov 5 | 217 d | 7b |
| Enid | Apr 6 | Nov 1 | 209 d | 7a |
| Stillwater | Apr 5 | Oct 30 | 208 d | 7a |
| Muskogee | Apr 7 | Oct 30 | 206 d | 7b |
| Bartlesville | Apr 11 | Oct 24 | 196 d | 7a |
| Owasso | Mar 31 | Nov 4 | 218 d | 7b |
| Shawnee | Mar 30 | Nov 5 | 220 d | 7b |
| Yukon | Apr 2 | Nov 4 | 216 d | 7b |
| Ardmore | Mar 21 | Nov 8 | 232 d | 8a |
| Ponca City | Apr 10 | Oct 27 | 200 d | 7a |
| Bixby | Apr 1 | Nov 1 | 214 d | 7b |
| Duncan | Mar 25 | Nov 7 | 227 d | 8a |
| Jenks | Mar 30 | Nov 4 | 219 d | 7b |
| Sapulpa | Mar 30 | Nov 4 | 219 d | 7b |
| Mustang | Apr 4 | Nov 2 | 212 d | 7b |
| Sand Springs | Mar 30 | Nov 4 | 219 d | 7b |
| Bethany | Apr 2 | Nov 4 | 216 d | 7b |
| Altus | Apr 5 | Nov 2 | 211 d | 7b |
| Claremore | Apr 7 | Oct 30 | 206 d | 7a |
| El Reno | Apr 6 | Oct 31 | 208 d | 7b |
| Mcalester | Mar 31 | Nov 3 | 217 d | 7b |
| Ada | Apr 2 | Nov 4 | 216 d | 7b |
| Durant | Mar 19 | Nov 12 | 238 d | 8a |
| Tahlequah | Apr 4 | Oct 31 | 210 d | 7b |
| Chickasha | Apr 4 | Nov 1 | 211 d | 7b |
| Miami | Apr 6 | Oct 27 | 204 d | 7a |
| Glenpool | Mar 30 | Nov 4 | 219 d | 7b |
| Woodward | Apr 5 | Oct 30 | 208 d | 7a |
| Elk City | Apr 5 | Nov 2 | 211 d | 7b |
| Okmulgee | Apr 8 | Oct 28 | 203 d | 7b |
| Choctaw | Apr 2 | Nov 5 | 217 d | 7b |
| Weatherford | Apr 3 | Nov 3 | 214 d | 7b |
| Guymon | Apr 18 | Oct 23 | 188 d | 6b |
| Guthrie | Apr 3 | Nov 1 | 212 d | 7b |
| Clinton | Apr 13 | Oct 28 | 198 d | 7b |