| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 27q - Rolling Red Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73644 - Elk City, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 27 | 34 | 44 | 54 | 64 | 68 | 67 | 59 | 47 | 34 | 25 | 46 |
| Avg Max Temp (°F) | 47 | 54 | 62 | 71 | 79 | 88 | 93 | 92 | 84 | 73 | 59 | 49 | 71 |
| Avg Precip (In.) | .85 | 1.17 | 2.4 | 2.43 | 4.83 | 3.96 | 2.13 | 2.83 | 2.98 | 2.26 | 1.67 | 1.05 | 28.54 |