| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 27i - Broken Red Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 73572 - Walters, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 30 | 38 | 47 | 57 | 66 | 70 | 69 | 62 | 50 | 37 | 28 | 48 |
| Avg Max Temp (°F) | 51 | 57 | 66 | 74 | 82 | 91 | 96 | 96 | 87 | 77 | 63 | 53 | 75 |
| Avg Precip (In.) | 1.43 | 1.76 | 2.71 | 2.9 | 4.89 | 4.22 | 2.24 | 2.5 | 3.96 | 3.51 | 2.2 | 1.7 | 34.02 |