Cullowhee, North Carolina has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 43.8 °F (low) to 68.4 °F (high). Annual precipitation averages 54.4 Inches. Cullowhee is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 48.7 °F | 4.89 in. |
| February | 28.7 °F | 52.8 °F | 4.8 in. |
| March | 34.3 °F | 60.6 °F | 4.82 in. |
| April | 41.6 °F | 69.8 °F | 4.71 in. |
| May | 50.6 °F | 76.4 °F | 4.44 in. |
| June | 58.6 °F | 82.0 °F | 4.8 in. |
| July | 62.6 °F | 85.0 °F | 4.81 in. |
| August | 61.6 °F | 84.0 °F | 4.31 in. |
| September | 55.7 °F | 79.3 °F | 4.33 in. |
| October | 43.8 °F | 70.3 °F | 3.26 in. |
| November | 32.9 °F | 60.3 °F | 4.07 in. |
| December | 28.9 °F | 51.5 °F | 5.2 in. |
| Annual | 43.8 °F | 68.4 °F | 54.44 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |