Fallston, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.9 °F (low) to 70.3 °F (high). Annual precipitation averages 50.1 Inches. Fallston is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.1 °F | 50.3 °F | 4.2 in. |
| February | 31.6 °F | 54.5 °F | 3.44 in. |
| March | 38.0 °F | 62.1 °F | 4.56 in. |
| April | 46.6 °F | 71.1 °F | 4.33 in. |
| May | 55.6 °F | 78.2 °F | 4.16 in. |
| June | 63.7 °F | 85.0 °F | 4.44 in. |
| July | 67.4 °F | 88.3 °F | 4.52 in. |
| August | 66.3 °F | 86.6 °F | 4.59 in. |
| September | 60.2 °F | 81.3 °F | 4.15 in. |
| October | 47.8 °F | 71.8 °F | 3.55 in. |
| November | 37.1 °F | 61.7 °F | 3.81 in. |
| December | 31.6 °F | 52.9 °F | 4.38 in. |
| Annual | 47.9 °F | 70.3 °F | 50.13 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |