| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Cfb - Oceanic Climate |
| Ecoregion: | 66d - Southern Crystalline Ridges and Mountains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 28779 - Sylva, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 32 | 39 | 48 | 56 | 60 | 60 | 54 | 41 | 33 | 26 | 42 |
| Avg Max Temp (°F) | 48 | 52 | 60 | 68 | 75 | 81 | 84 | 83 | 78 | 69 | 59 | 50 | 67 |
| Avg Precip (In.) | 4.38 | 4.39 | 4.99 | 3.9 | 4.85 | 4.24 | 4.24 | 3.88 | 3.47 | 2.98 | 3.99 | 3.93 | 49.24 |