Sharpsburg, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 22.7 °C (high). Annual precipitation averages 1333.5 Millimeters. Sharpsburg is located in USDA Plant Hardiness Zone 8a. 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 | 0.4 °C | 12.4 °C | 123.19 mm |
| February | 2 °C | 14.5 °C | 126.49 mm |
| March | 5.5 °C | 18.8 °C | 128.78 mm |
| April | 9.6 °C | 22.9 °C | 109.47 mm |
| May | 14.7 °C | 26.9 °C | 88.9 mm |
| June | 18.8 °C | 30.1 °C | 109.47 mm |
| July | 20.7 °C | 31.7 °C | 123.44 mm |
| August | 20.3 °C | 31.2 °C | 113.79 mm |
| September | 17.1 °C | 28.5 °C | 94.74 mm |
| October | 10.8 °C | 23.4 °C | 84.33 mm |
| November | 4.7 °C | 18 °C | 103.12 mm |
| December | 1.9 °C | 13.7 °C | 127.76 mm |
| Annual | 10.5 °C | 22.7 °C | 1333.48 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |