Dover, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.1 °F (low) to 66.1 °F (high). Annual precipitation averages 48 Inches. Dover 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 | 23.8 °F | 41.6 °F | 3.29 in. |
| February | 26.0 °F | 45.8 °F | 3.17 in. |
| March | 32.2 °F | 55.0 °F | 4.57 in. |
| April | 41.9 °F | 67.4 °F | 4.69 in. |
| May | 52.2 °F | 75.7 °F | 5.11 in. |
| June | 61.0 °F | 83.8 °F | 4.77 in. |
| July | 65.3 °F | 87.3 °F | 5.14 in. |
| August | 63.6 °F | 86.0 °F | 3.59 in. |
| September | 56.4 °F | 80.6 °F | 3.39 in. |
| October | 44.6 °F | 69.0 °F | 3.14 in. |
| November | 33.9 °F | 55.6 °F | 3.3 in. |
| December | 28.1 °F | 45.6 °F | 3.82 in. |
| Annual | 44.1 °F | 66.1 °F | 47.98 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |