Wallace, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 73.6 °F (high). Annual precipitation averages 48 Inches. Wallace 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 | 31.7 °F | 54.4 °F | 3.59 in. |
| February | 33.7 °F | 58.1 °F | 3.13 in. |
| March | 40.1 °F | 65.7 °F | 3.74 in. |
| April | 48.9 °F | 74.7 °F | 3.24 in. |
| May | 58.2 °F | 81.7 °F | 3.58 in. |
| June | 67.0 °F | 88.0 °F | 4.7 in. |
| July | 70.6 °F | 90.8 °F | 5.18 in. |
| August | 69.1 °F | 89.0 °F | 4.97 in. |
| September | 62.9 °F | 83.6 °F | 5.2 in. |
| October | 50.6 °F | 74.7 °F | 3.65 in. |
| November | 39.5 °F | 64.9 °F | 3.26 in. |
| December | 34.5 °F | 57.1 °F | 3.74 in. |
| Annual | 50.6 °F | 73.6 °F | 47.98 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |