Pewee Valley, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.5 °C (low) to 19 °C (high). Annual precipitation averages 1286.3 Millimeters. Pewee Valley 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 | -4.3 °C | 5.3 °C | 95.5 mm |
| February | -2.8 °C | 7.8 °C | 92.2 mm |
| March | 1.3 °C | 13.2 °C | 117.6 mm |
| April | 6.9 °C | 19.7 °C | 127.25 mm |
| May | 12.7 °C | 24.3 °C | 138.18 mm |
| June | 17 °C | 28.8 °C | 126.75 mm |
| July | 19.1 °C | 30.4 °C | 115.06 mm |
| August | 18.4 °C | 30.1 °C | 86.87 mm |
| September | 14.3 °C | 26.9 °C | 89.41 mm |
| October | 7.7 °C | 20.6 °C | 93.22 mm |
| November | 1.9 °C | 13.3 °C | 94.49 mm |
| December | -1.9 °C | 7.4 °C | 109.73 mm |
| Annual | 7.5 °C | 19 °C | 1286.26 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |