| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| 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: | 32a - Northern Blackland Prairie | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 75119 - Ennis, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 36 | 44 | 52 | 61 | 69 | 72 | 71 | 65 | 54 | 43 | 35 | 53 |
| Avg Max Temp (°F) | 55 | 61 | 68 | 76 | 83 | 90 | 95 | 95 | 89 | 79 | 67 | 58 | 76 |
| Avg Precip (In.) | 2.65 | 2.95 | 3.13 | 3.11 | 4.98 | 3.71 | 1.97 | 2.09 | 3.29 | 4.24 | 3.16 | 3.16 | 38.45 |