| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 39a - Springfield Plateau |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 74370 - Wyandotte, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 27 | 36 | 45 | 55 | 63 | 68 | 66 | 58 | 47 | 36 | 26 | 46 |
| Avg Max Temp (°F) | 44 | 51 | 60 | 70 | 77 | 85 | 91 | 91 | 82 | 72 | 58 | 48 | 69 |
| Avg Precip (In.) | 1.89 | 2.11 | 3.83 | 4.1 | 5.3 | 4.77 | 3.49 | 3.48 | 5.06 | 3.84 | 4.48 | 2.7 | 45.05 |