| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 29b - Eastern Cross Timbers |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73439 - Kingston, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 33 | 41 | 50 | 60 | 68 | 72 | 70 | 63 | 52 | 41 | 32 | 51 |
| Avg Max Temp (°F) | 51 | 57 | 65 | 73 | 81 | 88 | 94 | 94 | 86 | 76 | 63 | 54 | 74 |
| Avg Precip (In.) | 2.25 | 2.41 | 3.6 | 3.79 | 5.38 | 4.8 | 2.44 | 2.55 | 4.44 | 4.73 | 3.23 | 2.77 | 42.38 |