Bayboro, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.7 °C (low) to 22.9 °C (high). Annual precipitation averages 1458 Millimeters. Bayboro is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.3 °C | 12.9 °C | 101.09 mm |
| February | 2.3 °C | 14.6 °C | 88.65 mm |
| March | 5.4 °C | 18.1 °C | 93.73 mm |
| April | 10.4 °C | 23.1 °C | 88.9 mm |
| May | 15.3 °C | 26.7 °C | 112.01 mm |
| June | 19.6 °C | 30.3 °C | 136.65 mm |
| July | 21.8 °C | 31.8 °C | 170.43 mm |
| August | 21.1 °C | 30.9 °C | 189.74 mm |
| September | 18.8 °C | 28.5 °C | 176.53 mm |
| October | 13.1 °C | 23.9 °C | 106.43 mm |
| November | 7.3 °C | 18.7 °C | 96.52 mm |
| December | 3.7 °C | 14.7 °C | 97.28 mm |
| Annual | 11.7 °C | 22.9 °C | 1457.96 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 |