Greenville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 22.4 °C (high). Annual precipitation averages 1338.1 Millimeters. Greenville 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 | 0.1 °C | 11.6 °C | 95.5 mm |
| February | 1.1 °C | 13.4 °C | 82.55 mm |
| March | 4.6 °C | 17.3 °C | 101.6 mm |
| April | 9.8 °C | 22.7 °C | 93.47 mm |
| May | 15 °C | 26.7 °C | 106.17 mm |
| June | 19.5 °C | 30.7 °C | 121.41 mm |
| July | 21.8 °C | 32.3 °C | 145.54 mm |
| August | 20.7 °C | 31.2 °C | 146.05 mm |
| September | 17.6 °C | 28.3 °C | 179.32 mm |
| October | 10.9 °C | 23.3 °C | 92.96 mm |
| November | 4.9 °C | 17.8 °C | 85.6 mm |
| December | 1.8 °C | 13.4 °C | 87.88 mm |
| Annual | 10.7 °C | 22.4 °C | 1338.05 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 |