Bethel, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.3 °C (low) to 22 °C (high). Annual precipitation averages 1273 Millimeters. Bethel 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 | 11.3 °C | 93.47 mm |
| February | 0.8 °C | 13.1 °C | 78.49 mm |
| March | 4.3 °C | 16.9 °C | 101.09 mm |
| April | 9.4 °C | 22.3 °C | 90.42 mm |
| May | 14.6 °C | 26.2 °C | 95.76 mm |
| June | 19.2 °C | 30.2 °C | 120.14 mm |
| July | 21.4 °C | 31.9 °C | 136.65 mm |
| August | 20.5 °C | 30.8 °C | 139.7 mm |
| September | 17.3 °C | 28 °C | 156.72 mm |
| October | 10.4 °C | 23 °C | 90.93 mm |
| November | 4.7 °C | 17.5 °C | 83.82 mm |
| December | 1.5 °C | 13 °C | 85.85 mm |
| Annual | 10.3 °C | 22 °C | 1273.04 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |