Belton, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 72.3 °F (high). Annual precipitation averages 49.7 Inches. Belton 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 | 32.0 °F | 52.8 °F | 4.41 in. |
| February | 34.6 °F | 56.6 °F | 4.15 in. |
| March | 41.0 °F | 64.1 °F | 4.67 in. |
| April | 48.9 °F | 73.1 °F | 3.82 in. |
| May | 57.9 °F | 80.1 °F | 3.66 in. |
| June | 65.9 °F | 86.8 °F | 4.37 in. |
| July | 69.4 °F | 90.5 °F | 4.08 in. |
| August | 68.6 °F | 88.7 °F | 4.65 in. |
| September | 62.9 °F | 83.1 °F | 3.55 in. |
| October | 50.9 °F | 73.7 °F | 3.41 in. |
| November | 40.2 °F | 63.1 °F | 3.98 in. |
| December | 34.9 °F | 55.0 °F | 4.94 in. |
| Annual | 50.6 °F | 72.3 °F | 49.69 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |