High Bridge, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.8 °F (low) to 66.4 °F (high). Annual precipitation averages 47.7 Inches. High Bridge 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.2 °F | 42.3 °F | 3.51 in. |
| February | 27.5 °F | 46.3 °F | 3.74 in. |
| March | 34.8 °F | 55.6 °F | 4.59 in. |
| April | 44.5 °F | 67.3 °F | 4.37 in. |
| May | 55.1 °F | 75.6 °F | 5.07 in. |
| June | 62.1 °F | 83.8 °F | 5.15 in. |
| July | 66.2 °F | 86.6 °F | 4.5 in. |
| August | 64.7 °F | 86.2 °F | 3.3 in. |
| September | 58.0 °F | 80.9 °F | 3.35 in. |
| October | 46.0 °F | 69.5 °F | 2.93 in. |
| November | 35.8 °F | 56.3 °F | 3.11 in. |
| December | 29.3 °F | 45.9 °F | 4.07 in. |
| Annual | 45.8 °F | 66.4 °F | 47.69 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |