| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| 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: | 27o - Cross Timbers Transition |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73077 - Perry, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 27 | 36 | 46 | 57 | 66 | 71 | 69 | 61 | 48 | 36 | 26 | 47 |
| Avg Max Temp (°F) | 46 | 52 | 62 | 72 | 80 | 88 | 94 | 94 | 85 | 75 | 60 | 48 | 71 |
| Avg Precip (In.) | 1.11 | 1.68 | 2.94 | 3.33 | 5.35 | 4.25 | 3.06 | 3.16 | 4.18 | 3.09 | 2.44 | 1.74 | 36.31 |