Belfry, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.8 °F (low) to 68.1 °F (high). Annual precipitation averages 48.6 Inches. Belfry is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.1 °F | 44.8 °F | 3.62 in. |
| February | 28.4 °F | 48.9 °F | 3.67 in. |
| March | 34.5 °F | 58.0 °F | 4.52 in. |
| April | 44.3 °F | 70.4 °F | 4.06 in. |
| May | 53.8 °F | 77.8 °F | 4.68 in. |
| June | 62.1 °F | 84.6 °F | 4.7 in. |
| July | 65.7 °F | 87.7 °F | 5.66 in. |
| August | 64.7 °F | 86.9 °F | 3.96 in. |
| September | 58.2 °F | 81.5 °F | 3.37 in. |
| October | 46.1 °F | 70.3 °F | 3.01 in. |
| November | 35.6 °F | 58.2 °F | 2.99 in. |
| December | 30.2 °F | 48.5 °F | 4.35 in. |
| Annual | 45.8 °F | 68.1 °F | 48.59 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |