Experiment, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.2 °C (low) to 22.7 °C (high). Annual precipitation averages 1309.6 Millimeters. Experiment 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.3 °C | 12.5 °C | 120.9 mm |
| February | 2.8 °C | 14.6 °C | 121.92 mm |
| March | 6.3 °C | 18.8 °C | 125.98 mm |
| April | 10.3 °C | 23 °C | 106.43 mm |
| May | 15.4 °C | 27.1 °C | 84.33 mm |
| June | 19.4 °C | 30.2 °C | 112.52 mm |
| July | 21.1 °C | 31.8 °C | 130.56 mm |
| August | 20.7 °C | 31.2 °C | 108.2 mm |
| September | 17.6 °C | 28.5 °C | 91.44 mm |
| October | 11.5 °C | 23.4 °C | 83.57 mm |
| November | 5.6 °C | 18 °C | 100.08 mm |
| December | 2.7 °C | 13.7 °C | 123.7 mm |
| Annual | 11.2 °C | 22.7 °C | 1309.63 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 8b : -9.4°C to -6.7°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 |