Gray, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 24 °C (high). Annual precipitation averages 1219.7 Millimeters. Gray 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1 °C | 13.9 °C | 110.24 mm |
| February | 2.4 °C | 16.1 °C | 111 mm |
| March | 5.5 °C | 20.3 °C | 122.68 mm |
| April | 9.6 °C | 24.3 °C | 91.95 mm |
| May | 14.6 °C | 28.3 °C | 73.41 mm |
| June | 18.8 °C | 31.3 °C | 110.49 mm |
| July | 20.8 °C | 32.9 °C | 116.59 mm |
| August | 20.3 °C | 32.1 °C | 112.52 mm |
| September | 17.1 °C | 29.6 °C | 96.52 mm |
| October | 11.1 °C | 24.7 °C | 73.91 mm |
| November | 5.2 °C | 19.4 °C | 85.34 mm |
| December | 2.1 °C | 15.2 °C | 115.06 mm |
| Annual | 10.7 °C | 24 °C | 1219.71 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |