Georgetown, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7 °C (low) to 18.4 °C (high). Annual precipitation averages 1221 Millimeters. Georgetown 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.7 °C | 4.8 °C | 89.66 mm |
| February | -3.2 °C | 7.3 °C | 91.95 mm |
| March | 0.8 °C | 12.4 °C | 110.74 mm |
| April | 6.4 °C | 18.6 °C | 117.09 mm |
| May | 12.2 °C | 23.6 °C | 132.84 mm |
| June | 16.2 °C | 28 °C | 121.16 mm |
| July | 18.7 °C | 29.9 °C | 114.55 mm |
| August | 17.8 °C | 29.4 °C | 84.07 mm |
| September | 13.8 °C | 26.4 °C | 84.07 mm |
| October | 7.3 °C | 20.2 °C | 84.84 mm |
| November | 1.4 °C | 12.8 °C | 84.58 mm |
| December | -2.2 °C | 7.1 °C | 105.41 mm |
| Annual | 7 °C | 18.4 °C | 1220.96 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 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 |