Monetta, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.9 °C (low) to 23.2 °C (high). Annual precipitation averages 1201.2 Millimeters. Monetta 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °C | 12.8 °C | 103.63 mm |
| February | 2.3 °C | 14.8 °C | 92.71 mm |
| March | 5.6 °C | 18.9 °C | 110.24 mm |
| April | 9.9 °C | 23.5 °C | 81.79 mm |
| May | 14.8 °C | 27.6 °C | 83.31 mm |
| June | 19.2 °C | 31.1 °C | 130.05 mm |
| July | 20.9 °C | 32.6 °C | 109.98 mm |
| August | 20.4 °C | 31.7 °C | 121.41 mm |
| September | 17.4 °C | 28.8 °C | 100.84 mm |
| October | 10.9 °C | 23.7 °C | 76.45 mm |
| November | 5.4 °C | 18.3 °C | 87.38 mm |
| December | 2.4 °C | 14 °C | 103.38 mm |
| Annual | 10.9 °C | 23.2 °C | 1201.17 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |