Lenoir, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 20.9 °C (high). Annual precipitation averages 1282.2 Millimeters. Lenoir is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.3 °C | 9.7 °C | 106.68 mm |
| February | -1 °C | 11.8 °C | 84.84 mm |
| March | 2.8 °C | 15.9 °C | 107.44 mm |
| April | 7.6 °C | 21.3 °C | 114.3 mm |
| May | 12.6 °C | 25.4 °C | 122.17 mm |
| June | 17.1 °C | 29.1 °C | 120.4 mm |
| July | 19.3 °C | 31.1 °C | 123.95 mm |
| August | 18.6 °C | 30.1 °C | 114.3 mm |
| September | 15.1 °C | 26.9 °C | 104.9 mm |
| October | 8.3 °C | 21.8 °C | 95.25 mm |
| November | 2.4 °C | 16.1 °C | 83.57 mm |
| December | -0.9 °C | 11.3 °C | 104.39 mm |
| Annual | 8.3 °C | 20.9 °C | 1282.19 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |