Clinton, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 22.6 °C (high). Annual precipitation averages 1281.2 Millimeters. Clinton is located in USDA Plant Hardiness Zone 8b. 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 | 12.2 °C | 90.68 mm |
| February | 1.4 °C | 13.9 °C | 74.68 mm |
| March | 4.8 °C | 17.9 °C | 95 mm |
| April | 9.9 °C | 23 °C | 86.87 mm |
| May | 14.9 °C | 26.8 °C | 101.35 mm |
| June | 19.5 °C | 30.4 °C | 131.06 mm |
| July | 21.6 °C | 32.1 °C | 149.35 mm |
| August | 20.7 °C | 31 °C | 140.97 mm |
| September | 17.7 °C | 28.3 °C | 155.19 mm |
| October | 10.9 °C | 23.4 °C | 85.09 mm |
| November | 5.2 °C | 18.1 °C | 86.36 mm |
| December | 2 °C | 13.8 °C | 84.58 mm |
| Annual | 10.7 °C | 22.6 °C | 1281.18 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |