| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Mar. 1 - Mar. 10 |
| 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 75209 - Dallas, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 40 | 47 | 55 | 64 | 72 | 76 | 75 | 68 | 57 | 46 | 38 | 56 |
| Avg Max Temp (°F) | 55 | 61 | 69 | 76 | 84 | 91 | 96 | 95 | 88 | 79 | 66 | 57 | 76 |
| Avg Precip (In.) | 1.95 | 2.4 | 3.16 | 3.46 | 5.24 | 3.82 | 2.38 | 2.18 | 2.82 | 4.56 | 2.7 | 2.6 | 37.26 |