| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25i - Llano Estacado | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 79312 - Amherst, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 26 | 32 | 41 | 52 | 60 | 64 | 63 | 55 | 44 | 32 | 24 | 43 |
| Avg Max Temp (°F) | 52 | 58 | 66 | 74 | 82 | 90 | 92 | 89 | 83 | 75 | 62 | 54 | 73 |
| Avg Precip (In.) | .54 | .54 | .71 | 1.11 | 2.31 | 2.99 | 2.39 | 2.81 | 2.39 | 1.57 | .76 | .69 | 18.81 |