| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 32a - Northern Blackland Prairie |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76642 - Groesbeck, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 38 | 46 | 53 | 62 | 69 | 72 | 71 | 65 | 55 | 45 | 36 | 54 |
| Avg Max Temp (°F) | 58 | 63 | 70 | 77 | 84 | 91 | 95 | 96 | 90 | 81 | 68 | 60 | 78 |
| Avg Precip (In.) | 2.59 | 2.83 | 3.29 | 3.35 | 4.94 | 3.43 | 2.03 | 2.25 | 3.37 | 4.42 | 3.58 | 3.52 | 39.58 |