Maceo, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 19.7 °C (high). Annual precipitation averages 1250.2 Millimeters. Maceo is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.6 °C | 5.7 °C | 91.69 mm |
| February | -2.4 °C | 8.3 °C | 91.44 mm |
| March | 2 °C | 13.7 °C | 114.05 mm |
| April | 7.6 °C | 20.2 °C | 125.98 mm |
| May | 13.4 °C | 25.3 °C | 132.84 mm |
| June | 18.1 °C | 29.8 °C | 116.33 mm |
| July | 20 °C | 31.3 °C | 107.19 mm |
| August | 18.7 °C | 31.1 °C | 77.47 mm |
| September | 14.6 °C | 28 °C | 91.95 mm |
| October | 8.3 °C | 21.7 °C | 93.22 mm |
| November | 2.4 °C | 13.8 °C | 99.06 mm |
| December | -1.5 °C | 8 °C | 108.97 mm |
| Annual | 8.1 °C | 19.7 °C | 1250.19 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |