Morehead, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.1 °C (low) to 19 °C (high). Annual precipitation averages 1262.4 Millimeters. Morehead is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5 °C | 5.7 °C | 90.17 mm |
| February | -3.8 °C | 8.1 °C | 90.17 mm |
| March | -0.1 °C | 13.3 °C | 115.32 mm |
| April | 5.2 °C | 19.8 °C | 115.57 mm |
| May | 10.8 °C | 24.2 °C | 132.59 mm |
| June | 15.3 °C | 28.5 °C | 118.87 mm |
| July | 17.6 °C | 30.2 °C | 144.78 mm |
| August | 16.5 °C | 29.6 °C | 90.42 mm |
| September | 12.7 °C | 26.6 °C | 92.2 mm |
| October | 5.6 °C | 20.4 °C | 86.11 mm |
| November | 0.3 °C | 13.6 °C | 82.55 mm |
| December | -2.5 °C | 7.9 °C | 103.63 mm |
| Annual | 6.1 °C | 19 °C | 1262.38 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |