| 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: | 30a - Edwards Plateau Woodland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 78636 - Johnson City, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 37 | 45 | 52 | 61 | 67 | 70 | 69 | 64 | 54 | 44 | 36 | 53 |
| Avg Max Temp (°F) | 61 | 65 | 73 | 79 | 85 | 91 | 96 | 95 | 90 | 81 | 70 | 62 | 79 |
| Avg Precip (In.) | 1.55 | 2.04 | 2.09 | 2.51 | 4.64 | 3.99 | 1.86 | 2.28 | 3.03 | 3.84 | 2.38 | 2.08 | 32.3 |