Chesterfield, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.4 °F (low) to 73.7 °F (high). Annual precipitation averages 47.9 Inches. Chesterfield 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 | 31.6 °F | 54.3 °F | 3.69 in. |
| February | 33.7 °F | 57.9 °F | 3.16 in. |
| March | 40.0 °F | 65.6 °F | 3.86 in. |
| April | 49.0 °F | 74.8 °F | 3.43 in. |
| May | 58.2 °F | 81.8 °F | 3.53 in. |
| June | 66.5 °F | 88.3 °F | 4.15 in. |
| July | 70.2 °F | 91.2 °F | 5.18 in. |
| August | 69.0 °F | 89.5 °F | 5.19 in. |
| September | 62.7 °F | 84.2 °F | 4.9 in. |
| October | 50.4 °F | 74.9 °F | 3.73 in. |
| November | 39.6 °F | 64.8 °F | 3.21 in. |
| December | 34.4 °F | 56.9 °F | 3.85 in. |
| Annual | 50.4 °F | 73.7 °F | 47.88 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 |