Leary, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.4 °C (low) to 25.3 °C (high). Annual precipitation averages 1325.4 Millimeters. Leary is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 16.1 °C | 120.65 mm |
| February | 4.4 °C | 18 °C | 118.62 mm |
| March | 7.7 °C | 21.9 °C | 127.76 mm |
| April | 11.6 °C | 25.6 °C | 107.7 mm |
| May | 16.4 °C | 29.5 °C | 72.64 mm |
| June | 20.6 °C | 31.9 °C | 131.06 mm |
| July | 21.8 °C | 32.9 °C | 143.51 mm |
| August | 21.4 °C | 32.4 °C | 122.43 mm |
| September | 18.9 °C | 30.6 °C | 102.87 mm |
| October | 12.9 °C | 26.3 °C | 66.29 mm |
| November | 6.7 °C | 21.3 °C | 85.09 mm |
| December | 4.1 °C | 17.1 °C | 126.75 mm |
| Annual | 12.4 °C | 25.3 °C | 1325.37 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |