Govan, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.6 °C (low) to 24.6 °C (high). Annual precipitation averages 1259.6 Millimeters. Govan is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 14.7 °C | 97.79 mm |
| February | 3.2 °C | 16.7 °C | 93.22 mm |
| March | 6.4 °C | 20.8 °C | 101.85 mm |
| April | 10.7 °C | 25.1 °C | 78.23 mm |
| May | 15.6 °C | 28.9 °C | 93.22 mm |
| June | 19.8 °C | 32.2 °C | 144.27 mm |
| July | 21.7 °C | 33.7 °C | 141.73 mm |
| August | 21.2 °C | 32.4 °C | 148.84 mm |
| September | 18.2 °C | 29.9 °C | 113.03 mm |
| October | 11.9 °C | 25.3 °C | 81.79 mm |
| November | 6 °C | 19.9 °C | 70.61 mm |
| December | 3.1 °C | 15.8 °C | 95 mm |
| Annual | 11.6 °C | 24.6 °C | 1259.58 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |