| 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 |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 75237 - Dallas, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 38 | 46 | 53 | 62 | 69 | 73 | 72 | 66 | 55 | 45 | 37 | 54 |
| Avg Max Temp (°F) | 56 | 62 | 70 | 77 | 84 | 91 | 96 | 96 | 89 | 79 | 67 | 58 | 77 |
| Avg Precip (In.) | 2.1 | 2.59 | 3.15 | 3.45 | 5.09 | 3.64 | 2.26 | 2.16 | 2.98 | 4.39 | 2.89 | 2.82 | 37.5 |