Lake Junaluska, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 5.8 °C (low) to 19 °C (high). Annual precipitation averages 1225.1 Millimeters. Lake Junaluska is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 8.6 °C | 111.51 mm |
| February | -2.4 °C | 10.7 °C | 98.81 mm |
| March | 0.8 °C | 14.3 °C | 109.47 mm |
| April | 5 °C | 19.4 °C | 109.47 mm |
| May | 9.7 °C | 23.2 °C | 103.38 mm |
| June | 13.9 °C | 26.4 °C | 103.89 mm |
| July | 15.9 °C | 28 °C | 101.6 mm |
| August | 15.4 °C | 27.6 °C | 110.24 mm |
| September | 12.2 °C | 24.8 °C | 107.19 mm |
| October | 5.6 °C | 20 °C | 72.9 mm |
| November | -0.2 °C | 14.7 °C | 88.14 mm |
| December | -2.6 °C | 10.4 °C | 108.46 mm |
| Annual | 5.8 °C | 19 °C | 1225.06 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |