| 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 75115 - Desoto, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 39 | 46 | 54 | 62 | 69 | 73 | 72 | 66 | 56 | 45 | 37 | 55 |
| Avg Max Temp (°F) | 57 | 63 | 71 | 78 | 85 | 92 | 96 | 96 | 89 | 80 | 67 | 59 | 78 |
| Avg Precip (In.) | 2.15 | 2.68 | 3.15 | 3.47 | 5.02 | 3.58 | 2.19 | 2.17 | 3.02 | 4.37 | 2.96 | 2.94 | 37.71 |