Germantown, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 64.4 °F (high). Annual precipitation averages 48 Inches. Germantown 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.5 °F | 39.8 °F | 3.38 in. |
| February | 25.3 °F | 44.2 °F | 3.28 in. |
| March | 32.6 °F | 53.4 °F | 4.58 in. |
| April | 42.8 °F | 65.1 °F | 4.66 in. |
| May | 53.0 °F | 73.8 °F | 5.09 in. |
| June | 61.6 °F | 82.3 °F | 4.73 in. |
| July | 64.9 °F | 85.7 °F | 5.05 in. |
| August | 62.7 °F | 84.7 °F | 3.56 in. |
| September | 55.8 °F | 79.0 °F | 3.39 in. |
| October | 44.6 °F | 67.4 °F | 3.11 in. |
| November | 34.2 °F | 53.8 °F | 3.27 in. |
| December | 27.4 °F | 43.8 °F | 3.86 in. |
| Annual | 44 °F | 64.4 °F | 47.96 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |