Adairville, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 20.4 °C (high). Annual precipitation averages 1316 Millimeters. Adairville is located in USDA Plant Hardiness Zone 7b. 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 | -2.9 °C | 7.2 °C | 99.31 mm |
| February | -1.4 °C | 9.8 °C | 112.27 mm |
| March | 2.6 °C | 14.8 °C | 120.9 mm |
| April | 7.7 °C | 20.7 °C | 127.76 mm |
| May | 13.2 °C | 25.3 °C | 136.91 mm |
| June | 17.9 °C | 29.7 °C | 108.97 mm |
| July | 19.9 °C | 31.5 °C | 111.51 mm |
| August | 18.9 °C | 31.2 °C | 91.69 mm |
| September | 14.9 °C | 28 °C | 96.01 mm |
| October | 8.4 °C | 22 °C | 94.74 mm |
| November | 2.5 °C | 14.9 °C | 94.23 mm |
| December | -1 °C | 9.2 °C | 121.67 mm |
| Annual | 8.4 °C | 20.4 °C | 1315.97 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |