Valley Falls, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.3 °F (low) to 72.2 °F (high). Annual precipitation averages 51.6 Inches. Valley Falls 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 52.4 °F | 4.32 in. |
| February | 33.4 °F | 56.5 °F | 3.86 in. |
| March | 39.9 °F | 64.2 °F | 4.71 in. |
| April | 47.6 °F | 73.3 °F | 4.47 in. |
| May | 56.5 °F | 80.4 °F | 3.88 in. |
| June | 64.7 °F | 86.7 °F | 4.53 in. |
| July | 68.4 °F | 90.3 °F | 4.34 in. |
| August | 67.3 °F | 88.3 °F | 4.82 in. |
| September | 61.5 °F | 83.1 °F | 4.3 in. |
| October | 49.4 °F | 73.5 °F | 3.76 in. |
| November | 38.7 °F | 63.0 °F | 3.91 in. |
| December | 33.7 °F | 54.9 °F | 4.68 in. |
| Annual | 49.3 °F | 72.2 °F | 51.58 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |