Cross Anchor, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.6 °C (high). Annual precipitation averages 1189.7 Millimeters. Cross Anchor 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 | -0.4 °C | 11.9 °C | 107.95 mm |
| February | 0.9 °C | 14 °C | 96.01 mm |
| March | 4.4 °C | 18.3 °C | 113.79 mm |
| April | 8.9 °C | 23.2 °C | 95.25 mm |
| May | 14.1 °C | 27 °C | 86.61 mm |
| June | 18.6 °C | 30.6 °C | 108.97 mm |
| July | 20.6 °C | 32.6 °C | 96.52 mm |
| August | 19.9 °C | 31.4 °C | 102.11 mm |
| September | 16.7 °C | 28.4 °C | 93.47 mm |
| October | 9.8 °C | 23.2 °C | 85.85 mm |
| November | 3.8 °C | 17.6 °C | 92.46 mm |
| December | 1 °C | 13.2 °C | 110.74 mm |
| Annual | 9.9 °C | 22.6 °C | 1189.73 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |