Jamesville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.9 °F (low) to 71.5 °F (high). Annual precipitation averages 52.5 Inches. Jamesville 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 | 32.0 °F | 52.4 °F | 3.74 in. |
| February | 33.9 °F | 55.5 °F | 3.2 in. |
| March | 40.0 °F | 62.5 °F | 4.05 in. |
| April | 49.4 °F | 71.8 °F | 3.65 in. |
| May | 58.3 °F | 78.8 °F | 3.89 in. |
| June | 66.5 °F | 85.8 °F | 5.08 in. |
| July | 70.5 °F | 89.0 °F | 5.62 in. |
| August | 68.9 °F | 87.3 °F | 5.89 in. |
| September | 63.6 °F | 82.2 °F | 6.49 in. |
| October | 51.5 °F | 73.5 °F | 3.96 in. |
| November | 40.9 °F | 63.6 °F | 3.4 in. |
| December | 35.1 °F | 55.7 °F | 3.5 in. |
| Annual | 50.9 °F | 71.5 °F | 52.47 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |