| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Jan. 11 - Jan. 20 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 31c - Texas-Tamaulipan Thornscrub | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 78008 - Campbellton, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 52 | 58 | 66 | 71 | 73 | 72 | 68 | 60 | 50 | 43 | 58 |
| Avg Max Temp (°F) | 65 | 70 | 77 | 83 | 89 | 94 | 97 | 97 | 92 | 85 | 75 | 67 | 83 |
| Avg Precip (In.) | 1.5 | 1.61 | 1.51 | 2.41 | 3.68 | 3.53 | 1.67 | 2.51 | 3.12 | 3.01 | 1.89 | 1.5 | 27.94 |