Augusta, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 19 °C (high). Annual precipitation averages 1190.5 Millimeters. Augusta is located in USDA Plant Hardiness Zone 6b. 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 | -4.4 °C | 5.2 °C | 81.79 mm |
| February | -3.1 °C | 7.6 °C | 79.25 mm |
| March | 0.5 °C | 12.8 °C | 116.08 mm |
| April | 5.9 °C | 19.8 °C | 117.09 mm |
| May | 11.6 °C | 24.5 °C | 125.48 mm |
| June | 16.3 °C | 28.9 °C | 116.59 mm |
| July | 18.7 °C | 30.8 °C | 121.41 mm |
| August | 17.7 °C | 30.1 °C | 95 mm |
| September | 13.6 °C | 27.1 °C | 84.84 mm |
| October | 7.1 °C | 20.6 °C | 74.17 mm |
| November | 1.3 °C | 13.1 °C | 83.31 mm |
| December | -2.1 °C | 7.5 °C | 95.5 mm |
| Annual | 6.9 °C | 19 °C | 1190.51 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 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |