Oklahoma frost dates: A
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Achille | Mar 19 | Nov 12 | 238 d | 8a |
| Ada | Apr 2 | Nov 4 | 216 d | 7b |
| Adair | Apr 5 | Oct 30 | 208 d | 7a |
| Adams | Apr 16 | Oct 25 | 192 d | 6b |
| Addington | Mar 24 | Nov 8 | 229 d | 8a |
| Afton | Apr 6 | Oct 27 | 204 d | 7a |
| Agra | Apr 1 | Nov 5 | 218 d | 7b |
| Albany | Mar 19 | Nov 12 | 238 d | 8a |
| Albert | Apr 5 | Nov 3 | 212 d | 7b |
| Albion | Apr 11 | Oct 27 | 199 d | 7b |
| Alderson | Mar 31 | Nov 3 | 217 d | 7b |
| Alex | Apr 6 | Nov 1 | 209 d | 7b |
| Aline | Apr 9 | Oct 31 | 205 d | 7a |
| Allen | Apr 6 | Oct 31 | 208 d | 7b |
| Altus | Apr 5 | Nov 2 | 211 d | 7b |
| Altus Afb | Apr 3 | Nov 4 | 215 d | 7b |
| Alva | Apr 10 | Oct 28 | 201 d | 7a |
| Amber | Apr 4 | Nov 1 | 211 d | 7b |
| Ames | Apr 10 | Oct 31 | 204 d | 7a |
| Amorita | Apr 8 | Oct 31 | 206 d | 7a |
| Anadarko | Apr 8 | Oct 30 | 205 d | 7b |
| Antlers | Apr 3 | Nov 1 | 212 d | 8a |
| Apache | Apr 3 | Nov 3 | 214 d | 7b |
| Arapaho | Apr 13 | Oct 28 | 198 d | 7b |
| Arcadia | Apr 2 | Nov 5 | 217 d | 7b |
| Ardmore | Mar 21 | Nov 8 | 232 d | 8a |
| Arkoma | Mar 25 | Nov 6 | 226 d | 8a |
| Arnett | Apr 15 | Oct 27 | 195 d | 7a |
| Asher | Mar 25 | Nov 8 | 228 d | 7b |
| Atoka | Apr 5 | Nov 1 | 210 d | 8a |
| Atwood | Apr 6 | Oct 31 | 208 d | 7b |
| Avant | Mar 31 | Oct 31 | 214 d | 7a |