| 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: | November 11 - 20 | |
| Average Last Frost Date: | March 11 - 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 32a - Northern Blackland Prairie | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 75152 - Palmer, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 36 | 44 | 52 | 62 | 69 | 72 | 71 | 65 | 54 | 43 | 35 | 53 |
| Avg Max Temp (°F) | 55 | 60 | 68 | 75 | 83 | 90 | 95 | 95 | 89 | 79 | 66 | 57 | 76 |
| Avg Precip (In.) | 2.48 | 2.89 | 3.17 | 3.37 | 4.93 | 3.64 | 2.06 | 2.13 | 3.06 | 4.35 | 3.17 | 3.17 | 38.43 |