Marshall, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.8 °C (low) to 20.2 °C (high). Annual precipitation averages 1050.6 Millimeters. Marshall 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 | -3.3 °C | 8.8 °C | 82.55 mm |
| February | -1.8 °C | 10.9 °C | 72.14 mm |
| March | 1.4 °C | 15.2 °C | 96.52 mm |
| April | 5.7 °C | 20.7 °C | 93.98 mm |
| May | 10.8 °C | 24.9 °C | 93.98 mm |
| June | 15.2 °C | 28.4 °C | 105.66 mm |
| July | 17.3 °C | 30 °C | 108.46 mm |
| August | 16.7 °C | 29.6 °C | 98.81 mm |
| September | 13.3 °C | 26.9 °C | 84.33 mm |
| October | 6.8 °C | 21.5 °C | 56.9 mm |
| November | 1 °C | 15.4 °C | 72.14 mm |
| December | -1.5 °C | 10.4 °C | 85.09 mm |
| Annual | 6.8 °C | 20.2 °C | 1050.56 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |