| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Mar. 1 - Mar. 10 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 33b - Southern Post Oak Savanna | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 78947 - Lexington, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 42 | 49 | 55 | 64 | 70 | 73 | 72 | 68 | 58 | 48 | 40 | 56 |
| Avg Max Temp (°F) | 60 | 64 | 71 | 78 | 84 | 90 | 94 | 94 | 89 | 81 | 70 | 62 | 78 |
| Avg Precip (In.) | 2.6 | 2.29 | 2.53 | 2.66 | 4.83 | 3.89 | 1.62 | 2.08 | 3.38 | 4.48 | 3.25 | 2.79 | 36.41 |