| 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. 11 - Mar. 20 | |
| 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 78662 - Red Rock, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 39 | 47 | 54 | 63 | 69 | 71 | 70 | 65 | 56 | 46 | 38 | 54 |
| Avg Max Temp (°F) | 60 | 65 | 73 | 79 | 85 | 91 | 95 | 96 | 90 | 82 | 70 | 63 | 79 |
| Avg Precip (In.) | 2.41 | 2.22 | 2.32 | 2.94 | 5.03 | 4.18 | 1.78 | 2.45 | 3.45 | 4.34 | 3.21 | 2.54 | 36.88 |