La Grange, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.6 °C (low) to 22.6 °C (high). Annual precipitation averages 1300 Millimeters. La Grange is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.3 °C | 12 °C | 89.66 mm |
| February | 1.2 °C | 13.8 °C | 78.49 mm |
| March | 4.7 °C | 17.8 °C | 96.52 mm |
| April | 9.8 °C | 23 °C | 88.39 mm |
| May | 14.8 °C | 26.9 °C | 100.84 mm |
| June | 19.4 °C | 30.7 °C | 124.97 mm |
| July | 21.6 °C | 32.3 °C | 145.54 mm |
| August | 20.5 °C | 31.2 °C | 147.83 mm |
| September | 17.5 °C | 28.4 °C | 163.83 mm |
| October | 10.7 °C | 23.5 °C | 90.68 mm |
| November | 4.9 °C | 18.1 °C | 84.84 mm |
| December | 1.9 °C | 13.6 °C | 88.39 mm |
| Annual | 10.6 °C | 22.6 °C | 1299.98 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |