Cairo, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.3 °F (low) to 78.3 °F (high). Annual precipitation averages 53 Inches. Cairo is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.3 °F | 62.0 °F | 4.51 in. |
| February | 42.3 °F | 65.8 °F | 4.36 in. |
| March | 48.0 °F | 72.5 °F | 5.02 in. |
| April | 54.6 °F | 78.8 °F | 3.89 in. |
| May | 62.8 °F | 85.8 °F | 2.79 in. |
| June | 69.9 °F | 89.9 °F | 5.93 in. |
| July | 71.9 °F | 91.5 °F | 5.87 in. |
| August | 71.9 °F | 90.7 °F | 5.81 in. |
| September | 67.9 °F | 87.2 °F | 4.47 in. |
| October | 57.6 °F | 80.4 °F | 3.06 in. |
| November | 47.0 °F | 71.2 °F | 3.31 in. |
| December | 42.0 °F | 64.3 °F | 4.01 in. |
| Annual | 56.3 °F | 78.3 °F | 53.03 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |