Sycamore, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 66.7 °F (high). Annual precipitation averages 50.4 Inches. Sycamore is located in USDA Plant Hardiness Zone 7a. 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 | 25.3 °F | 42.1 °F | 3.77 in. |
| February | 27.8 °F | 46.6 °F | 3.66 in. |
| March | 35.4 °F | 56.3 °F | 4.69 in. |
| April | 45.6 °F | 67.9 °F | 4.98 in. |
| May | 55.9 °F | 76.2 °F | 5.27 in. |
| June | 63.9 °F | 84.1 °F | 4.96 in. |
| July | 67.5 °F | 87.3 °F | 4.41 in. |
| August | 66.2 °F | 86.7 °F | 3.39 in. |
| September | 59.0 °F | 80.9 °F | 3.51 in. |
| October | 47.1 °F | 69.9 °F | 3.64 in. |
| November | 36.6 °F | 56.6 °F | 3.73 in. |
| December | 29.5 °F | 45.9 °F | 4.36 in. |
| Annual | 46.7 °F | 66.7 °F | 50.37 in. |
| 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |