Paintsville, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6 °C (low) to 19.8 °C (high). Annual precipitation averages 1180.6 Millimeters. Paintsville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 7 °C | 84.84 mm |
| February | -3.7 °C | 9.2 °C | 89.92 mm |
| March | -0.4 °C | 14.6 °C | 111.51 mm |
| April | 4.8 °C | 20.9 °C | 96.77 mm |
| May | 10.6 °C | 24.8 °C | 117.35 mm |
| June | 15.4 °C | 28.7 °C | 123.95 mm |
| July | 17.8 °C | 30.6 °C | 129.54 mm |
| August | 16.9 °C | 29.9 °C | 96.01 mm |
| September | 13.1 °C | 26.9 °C | 80.01 mm |
| October | 5.9 °C | 20.9 °C | 74.17 mm |
| November | -0.2 °C | 14.6 °C | 75.95 mm |
| December | -3 °C | 8.9 °C | 100.58 mm |
| Annual | 6 °C | 19.8 °C | 1180.6 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |