Oklahoma frost dates: E
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Eagletown | Mar 26 | Nov 5 | 224 d | 8a |
| Eakly | Apr 6 | Oct 31 | 208 d | 7b |
| Earlsboro | Apr 1 | Nov 1 | 214 d | 7b |
| Edmond | Apr 2 | Nov 5 | 217 d | 7b |
| El Reno | Apr 6 | Oct 31 | 208 d | 7b |
| Eldorado | Apr 4 | Nov 1 | 211 d | 7b |
| Elgin | Mar 21 | Nov 12 | 236 d | 7b |
| Elk City | Apr 5 | Nov 2 | 211 d | 7b |
| Elmer | Apr 3 | Nov 4 | 215 d | 7b |
| Elmore City | Apr 5 | Nov 1 | 210 d | 7b |
| Enid | Apr 6 | Nov 1 | 209 d | 7a |
| Erick | Apr 11 | Oct 26 | 198 d | 7a |
| Eucha | Apr 16 | Oct 20 | 187 d | 7a |
| Eufaula | Apr 6 | Oct 30 | 207 d | 7b |