| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 21 - Nov. 30 | |
| Average Last Frost Date: | Mar. 11 - Mar. 20 | |
| 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 78645 - Leander, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 40 | 48 | 55 | 63 | 70 | 72 | 71 | 66 | 56 | 46 | 39 | 55 |
| Avg Max Temp (°F) | 60 | 65 | 73 | 79 | 85 | 91 | 95 | 95 | 90 | 81 | 70 | 62 | 79 |
| Avg Precip (In.) | 1.86 | 2.23 | 2.3 | 2.71 | 4.73 | 3.87 | 1.9 | 2.15 | 3.13 | 3.87 | 2.69 | 2.37 | 33.83 |