Artemus, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7 °C (low) to 19.9 °C (high). Annual precipitation averages 1373.6 Millimeters. Artemus is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.8 °C | 7.4 °C | 111.51 mm |
| February | -2.3 °C | 9.8 °C | 115.32 mm |
| March | 1 °C | 14.8 °C | 126.24 mm |
| April | 5.8 °C | 20.6 °C | 126.49 mm |
| May | 11.6 °C | 24.8 °C | 117.35 mm |
| June | 16.1 °C | 28.8 °C | 131.32 mm |
| July | 18.2 °C | 30.2 °C | 143 mm |
| August | 17.6 °C | 29.6 °C | 106.93 mm |
| September | 13.7 °C | 27 °C | 92.2 mm |
| October | 6.6 °C | 21.1 °C | 75.69 mm |
| November | 0.9 °C | 14.7 °C | 96.27 mm |
| December | -1.8 °C | 9.6 °C | 131.32 mm |
| Annual | 7 °C | 19.9 °C | 1373.64 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |