| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°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: | 45g - Triassic Basins | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 27704 - Durham, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 36 | 44 | 54 | 62 | 67 | 65 | 59 | 46 | 37 | 30 | 46 |
| Avg Max Temp (°F) | 50 | 54 | 62 | 72 | 79 | 86 | 89 | 88 | 82 | 72 | 63 | 53 | 71 |
| Avg Precip (In.) | 4.3 | 3.52 | 4.52 | 3.32 | 4.45 | 3.88 | 4.23 | 4.28 | 4.31 | 3.6 | 3.29 | 3.28 | 46.98 |