| 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. 1 - Apr. 10 |
| 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 27604 - Raleigh, 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 | 48 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 50 | 54 | 63 | 72 | 79 | 86 | 89 | 87 | 82 | 72 | 63 | 54 | 71 |
| Avg Precip (In.) | 4.29 | 3.55 | 4.37 | 3.07 | 4.03 | 3.88 | 4.3 | 4.16 | 4.25 | 3.47 | 3.17 | 3.25 | 45.79 |