| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°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. 21 - Mar. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 27j - Limestone Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76878 - Santa Anna, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 35 | 42 | 51 | 60 | 67 | 70 | 69 | 62 | 52 | 41 | 33 | 51 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 78 | 84 | 90 | 94 | 94 | 87 | 79 | 67 | 58 | 77 |
| Avg Precip (In.) | 1.09 | 1.72 | 1.81 | 2.13 | 3.9 | 3.92 | 1.79 | 2.5 | 3.12 | 3.04 | 1.57 | 1.48 | 28.06 |