Youngsville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.3 °F (low) to 70.2 °F (high). Annual precipitation averages 48 Inches. Youngsville 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 | 30.3 °F | 50.3 °F | 3.58 in. |
| February | 32.1 °F | 53.7 °F | 2.97 in. |
| March | 38.7 °F | 61.4 °F | 4.22 in. |
| April | 47.8 °F | 71.0 °F | 3.59 in. |
| May | 56.9 °F | 77.9 °F | 3.7 in. |
| June | 65.2 °F | 85.1 °F | 4.32 in. |
| July | 69.2 °F | 88.8 °F | 4.78 in. |
| August | 67.7 °F | 86.8 °F | 4.85 in. |
| September | 61.7 °F | 81.1 °F | 5.49 in. |
| October | 49.5 °F | 71.5 °F | 3.58 in. |
| November | 38.8 °F | 61.4 °F | 3.41 in. |
| December | 33.2 °F | 53.3 °F | 3.53 in. |
| Annual | 49.3 °F | 70.2 °F | 48.02 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |