Lake Wylie, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.2 °C (high). Annual precipitation averages 1134.9 Millimeters. Lake Wylie 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 | -0.7 °C | 11.3 °C | 94.23 mm |
| February | 0.7 °C | 13.4 °C | 82.04 mm |
| March | 4.2 °C | 17.6 °C | 109.22 mm |
| April | 9.1 °C | 22.7 °C | 95.5 mm |
| May | 14.2 °C | 26.6 °C | 88.9 mm |
| June | 18.8 °C | 30.4 °C | 106.17 mm |
| July | 20.8 °C | 32.2 °C | 91.95 mm |
| August | 20.2 °C | 31.3 °C | 110.49 mm |
| September | 16.8 °C | 28.3 °C | 96.52 mm |
| October | 9.8 °C | 22.9 °C | 81.03 mm |
| November | 3.8 °C | 17.2 °C | 82.55 mm |
| December | 0.8 °C | 12.7 °C | 96.27 mm |
| Annual | 9.9 °C | 22.2 °C | 1134.87 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |