Manning, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.6 °F (low) to 75.5 °F (high). Annual precipitation averages 51.1 Inches. Manning is located in USDA Plant Hardiness Zone 8b. 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 | 34.7 °F | 57.3 °F | 4.16 in. |
| February | 37.0 °F | 60.7 °F | 3.99 in. |
| March | 42.8 °F | 68.1 °F | 3.86 in. |
| April | 51.2 °F | 76.7 °F | 3.72 in. |
| May | 59.8 °F | 83.4 °F | 3.81 in. |
| June | 67.9 °F | 88.9 °F | 5.31 in. |
| July | 71.3 °F | 91.9 °F | 5.23 in. |
| August | 70.0 °F | 90.2 °F | 5.81 in. |
| September | 64.4 °F | 85.0 °F | 5.0 in. |
| October | 53.0 °F | 76.6 °F | 3.57 in. |
| November | 42.2 °F | 67.2 °F | 2.81 in. |
| December | 37.3 °F | 59.9 °F | 3.86 in. |
| Annual | 52.6 °F | 75.5 °F | 51.13 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |