Girard, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.5 °C (low) to 24.7 °C (high). Annual precipitation averages 1202.4 Millimeters. Girard is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.6 °C | 14.8 °C | 102.87 mm |
| February | 3 °C | 16.8 °C | 98.3 mm |
| March | 6.3 °C | 20.9 °C | 101.6 mm |
| April | 10.4 °C | 25.1 °C | 80.77 mm |
| May | 15.3 °C | 29.1 °C | 81.03 mm |
| June | 19.8 °C | 32.1 °C | 132.59 mm |
| July | 21.6 °C | 33.6 °C | 127.25 mm |
| August | 21.3 °C | 32.6 °C | 130.81 mm |
| September | 18.3 °C | 30.1 °C | 98.3 mm |
| October | 11.7 °C | 25.5 °C | 75.44 mm |
| November | 5.7 °C | 20.1 °C | 72.9 mm |
| December | 2.8 °C | 16.1 °C | 100.58 mm |
| Annual | 11.5 °C | 24.7 °C | 1202.44 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |