| 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: | 30c - Balcones Canyonlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 78606 - Blanco, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 38 | 45 | 52 | 61 | 68 | 70 | 69 | 64 | 54 | 44 | 36 | 53 |
| Avg Max Temp (°F) | 60 | 64 | 71 | 78 | 84 | 90 | 94 | 94 | 89 | 80 | 69 | 61 | 78 |
| Avg Precip (In.) | 1.79 | 2.09 | 2.55 | 2.68 | 4.57 | 4.19 | 2.03 | 2.4 | 3.21 | 4.16 | 2.66 | 2.33 | 34.66 |