| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F 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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 27h - Red Prairie |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 79226 - Clarendon, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 27 | 34 | 43 | 53 | 62 | 66 | 64 | 57 | 45 | 33 | 25 | 44 |
| Avg Max Temp (°F) | 51 | 56 | 65 | 73 | 81 | 89 | 95 | 93 | 85 | 75 | 62 | 53 | 73 |
| Avg Precip (In.) | .63 | .82 | 1.43 | 2.13 | 3.55 | 3.64 | 2.32 | 2.75 | 2.62 | 1.78 | .95 | .83 | 23.46 |