Shiloh, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 23.1 °C (high). Annual precipitation averages 1322.6 Millimeters. Shiloh 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 | 1.1 °C | 13.2 °C | 122.68 mm |
| February | 2.7 °C | 15.3 °C | 124.71 mm |
| March | 5.8 °C | 19.5 °C | 130.56 mm |
| April | 9.5 °C | 23.2 °C | 107.95 mm |
| May | 14.4 °C | 27.2 °C | 87.88 mm |
| June | 18.6 °C | 30.2 °C | 111 mm |
| July | 20.4 °C | 31.6 °C | 126.75 mm |
| August | 20.1 °C | 31.3 °C | 105.66 mm |
| September | 16.9 °C | 28.7 °C | 94.74 mm |
| October | 10.9 °C | 23.9 °C | 80.26 mm |
| November | 5.2 °C | 18.7 °C | 98.55 mm |
| December | 2.6 °C | 14.4 °C | 131.83 mm |
| Annual | 10.7 °C | 23.1 °C | 1322.57 mm |
| 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |