| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45a - Southern Inner Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 28167 - Union Mills, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 30 | 37 | 45 | 54 | 62 | 66 | 65 | 59 | 47 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 50 | 54 | 63 | 71 | 79 | 85 | 88 | 86 | 81 | 71 | 61 | 52 | 70 |
| Avg Precip (In.) | 4.31 | 4.19 | 5.15 | 3.88 | 5.02 | 4.46 | 4.35 | 4.47 | 4.28 | 4.06 | 3.96 | 3.81 | 51.95 |