Bolton, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 74 °F (high). Annual precipitation averages 53.6 Inches. Bolton 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 | 33.3 °F | 56.6 °F | 3.74 in. |
| February | 35.0 °F | 59.4 °F | 3.38 in. |
| March | 41.0 °F | 66.5 °F | 3.87 in. |
| April | 49.8 °F | 74.3 °F | 3.49 in. |
| May | 58.6 °F | 80.8 °F | 3.95 in. |
| June | 67.1 °F | 86.9 °F | 5.25 in. |
| July | 71.0 °F | 90.0 °F | 5.74 in. |
| August | 69.5 °F | 88.4 °F | 6.28 in. |
| September | 64.3 °F | 83.7 °F | 6.89 in. |
| October | 52.3 °F | 75.3 °F | 3.89 in. |
| November | 41.7 °F | 66.7 °F | 3.45 in. |
| December | 36.4 °F | 59.5 °F | 3.63 in. |
| Annual | 51.7 °F | 74 °F | 53.56 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |