Marshville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 22.5 °C (high). Annual precipitation averages 1172.2 Millimeters. Marshville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 11.6 °C | 97.28 mm |
| February | 1 °C | 13.7 °C | 81.28 mm |
| March | 4.6 °C | 17.8 °C | 103.38 mm |
| April | 9.3 °C | 23 °C | 91.69 mm |
| May | 14.3 °C | 26.8 °C | 82.55 mm |
| June | 18.9 °C | 30.6 °C | 112.01 mm |
| July | 20.9 °C | 32.4 °C | 109.73 mm |
| August | 20.1 °C | 31.4 °C | 114.55 mm |
| September | 16.8 °C | 28.4 °C | 113.79 mm |
| October | 10.1 °C | 23.2 °C | 88.39 mm |
| November | 4.2 °C | 17.5 °C | 83.06 mm |
| December | 1.2 °C | 13 °C | 94.49 mm |
| Annual | 10.1 °C | 22.5 °C | 1172.2 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 |