Brodhead, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.4 °F (low) to 66.6 °F (high). Annual precipitation averages 49.8 Inches. Brodhead is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.0 °F | 42.9 °F | 3.85 in. |
| February | 27.9 °F | 47.4 °F | 3.7 in. |
| March | 34.5 °F | 56.3 °F | 4.57 in. |
| April | 44.1 °F | 68.0 °F | 4.59 in. |
| May | 54.2 °F | 75.8 °F | 5.05 in. |
| June | 62.2 °F | 83.3 °F | 5.18 in. |
| July | 66.1 °F | 86.2 °F | 4.81 in. |
| August | 63.9 °F | 86.0 °F | 3.5 in. |
| September | 56.9 °F | 80.6 °F | 3.59 in. |
| October | 46.0 °F | 69.4 °F | 3.33 in. |
| November | 35.1 °F | 56.6 °F | 3.32 in. |
| December | 28.9 °F | 46.4 °F | 4.31 in. |
| Annual | 45.4 °F | 66.6 °F | 49.8 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |