| 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 | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76643 - Hewitt, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 39 | 46 | 54 | 63 | 70 | 73 | 72 | 66 | 56 | 45 | 37 | 54 |
| Avg Max Temp (°F) | 57 | 63 | 70 | 77 | 84 | 91 | 96 | 96 | 89 | 80 | 68 | 60 | 78 |
| Avg Precip (In.) | 2.06 | 2.55 | 2.87 | 2.85 | 4.56 | 3.47 | 1.78 | 2.17 | 3.09 | 3.58 | 3.02 | 2.94 | 34.94 |