| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 45f - Northern Outer Piedmont |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 27539 - Apex, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 32 | 39 | 47 | 56 | 64 | 69 | 67 | 61 | 49 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 50 | 54 | 63 | 72 | 79 | 85 | 89 | 87 | 81 | 72 | 63 | 53 | 71 |
| Avg Precip (In.) | 4.26 | 3.56 | 4.36 | 3.07 | 3.98 | 3.92 | 4.51 | 4.21 | 4.34 | 3.45 | 3.18 | 3.23 | 46.07 |