York, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.9 °F (low) to 71.7 °F (high). Annual precipitation averages 44.3 Inches. York 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 | 30.8 °F | 51.8 °F | 3.79 in. |
| February | 33.6 °F | 55.8 °F | 3.26 in. |
| March | 40.1 °F | 63.4 °F | 4.16 in. |
| April | 48.7 °F | 72.6 °F | 3.74 in. |
| May | 57.7 °F | 79.7 °F | 3.43 in. |
| June | 65.8 °F | 86.5 °F | 4.05 in. |
| July | 69.3 °F | 89.9 °F | 3.62 in. |
| August | 68.3 °F | 88.1 °F | 4.15 in. |
| September | 62.2 °F | 82.8 °F | 3.75 in. |
| October | 49.9 °F | 72.9 °F | 3.15 in. |
| November | 39.0 °F | 62.5 °F | 3.38 in. |
| December | 33.5 °F | 54.3 °F | 3.84 in. |
| Annual | 49.9 °F | 71.7 °F | 44.32 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |