Coolidge, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.6 °C (low) to 25.7 °C (high). Annual precipitation averages 1333.5 Millimeters. Coolidge is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.2 °C | 16.6 °C | 122.17 mm |
| February | 5.9 °C | 18.7 °C | 110.49 mm |
| March | 8.9 °C | 22.3 °C | 134.62 mm |
| April | 12.7 °C | 25.9 °C | 91.44 mm |
| May | 17.2 °C | 29.7 °C | 72.64 mm |
| June | 21.1 °C | 32.1 °C | 147.32 mm |
| July | 22.3 °C | 32.9 °C | 145.29 mm |
| August | 22.2 °C | 32.6 °C | 139.95 mm |
| September | 19.9 °C | 30.8 °C | 114.55 mm |
| October | 14.3 °C | 26.8 °C | 79.5 mm |
| November | 8.5 °C | 21.7 °C | 76.2 mm |
| December | 5.7 °C | 17.9 °C | 99.31 mm |
| Annual | 13.6 °C | 25.7 °C | 1333.48 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°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 |