| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25e - Rolling Cropland and Range | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 79022 - Dalhart, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 24 | 30 | 38 | 49 | 58 | 63 | 62 | 53 | 41 | 29 | 21 | 40 |
| Avg Max Temp (°F) | 48 | 53 | 61 | 69 | 77 | 87 | 90 | 88 | 81 | 71 | 58 | 49 | 69 |
| Avg Precip (In.) | .51 | .4 | 1.06 | 1.34 | 2.69 | 2.31 | 3 | 2.93 | 1.62 | 1.26 | .7 | .54 | 18.36 |