Ruth, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 21.8 °C (high). Annual precipitation averages 1336 Millimeters. Ruth is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.7 °C | 10.7 °C | 112.78 mm |
| February | -0.4 °C | 12.9 °C | 98.81 mm |
| March | 3.1 °C | 17.2 °C | 115.82 mm |
| April | 7.7 °C | 22.3 °C | 112.78 mm |
| May | 12.7 °C | 26.2 °C | 108.71 mm |
| June | 17.2 °C | 30 °C | 115.57 mm |
| July | 19.3 °C | 31.8 °C | 126.24 mm |
| August | 18.8 °C | 30.8 °C | 112.01 mm |
| September | 15.4 °C | 27.9 °C | 111.76 mm |
| October | 8.6 °C | 22.7 °C | 96.77 mm |
| November | 2.6 °C | 16.7 °C | 102.87 mm |
| December | -0.2 °C | 12.1 °C | 121.92 mm |
| Annual | 8.6 °C | 21.8 °C | 1336.04 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |