Bath, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.1 °C (low) to 22.6 °C (high). Annual precipitation averages 1362.5 Millimeters. Bath is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.8 °C | 12.5 °C | 94.49 mm |
| February | 1.9 °C | 14.3 °C | 81.03 mm |
| March | 5.1 °C | 17.7 °C | 102.36 mm |
| April | 10.1 °C | 22.6 °C | 87.12 mm |
| May | 15.1 °C | 26.3 °C | 106.68 mm |
| June | 19.4 °C | 30.1 °C | 130.81 mm |
| July | 21.7 °C | 31.8 °C | 147.83 mm |
| August | 20.9 °C | 31.1 °C | 158.5 mm |
| September | 18.2 °C | 28.2 °C | 177.29 mm |
| October | 11.8 °C | 23.6 °C | 104.9 mm |
| November | 6.1 °C | 18.6 °C | 84.58 mm |
| December | 2.6 °C | 14.2 °C | 86.87 mm |
| Annual | 11.1 °C | 22.6 °C | 1362.46 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |