| 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: | 29e - Limestone Cut Plain |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 76657 - Mc Gregor, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 38 | 46 | 54 | 62 | 69 | 72 | 72 | 66 | 56 | 45 | 37 | 54 |
| Avg Max Temp (°F) | 57 | 62 | 69 | 77 | 84 | 91 | 96 | 96 | 89 | 79 | 67 | 59 | 77 |
| Avg Precip (In.) | 2.05 | 2.51 | 2.63 | 2.91 | 4.36 | 3.59 | 2.03 | 2.27 | 2.79 | 3.75 | 2.75 | 2.73 | 34.39 |