| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 27h - Red Prairie |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76373 - Oklaunion, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 31 | 39 | 48 | 58 | 67 | 71 | 70 | 63 | 51 | 38 | 29 | 49 |
| Avg Max Temp (°F) | 52 | 58 | 67 | 76 | 84 | 92 | 97 | 96 | 87 | 77 | 64 | 54 | 75 |
| Avg Precip (In.) | 1.14 | 1.5 | 2.08 | 2.44 | 4.22 | 3.68 | 1.93 | 2.63 | 3.39 | 2.9 | 1.67 | 1.33 | 28.93 |