| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Mar. 11 - Mar. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 33a - Northern Post Oak Savanna | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 75790 - Van, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 37 | 44 | 51 | 61 | 68 | 71 | 70 | 64 | 53 | 43 | 35 | 52 |
| Avg Max Temp (°F) | 54 | 60 | 68 | 75 | 82 | 89 | 94 | 94 | 88 | 78 | 66 | 57 | 75 |
| Avg Precip (In.) | 3.07 | 3.25 | 3.66 | 3.81 | 4.64 | 3.83 | 2.01 | 1.84 | 3.22 | 4.5 | 4.21 | 3.97 | 42.01 |