Rockport, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.1 °F (low) to 68.1 °F (high). Annual precipitation averages 50.5 Inches. Rockport 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 | 25.2 °F | 43.6 °F | 3.7 in. |
| February | 27.9 °F | 48.2 °F | 4.03 in. |
| March | 35.3 °F | 57.5 °F | 4.66 in. |
| April | 45.0 °F | 69.3 °F | 4.76 in. |
| May | 55.4 °F | 77.5 °F | 5.26 in. |
| June | 64.2 °F | 85.2 °F | 4.57 in. |
| July | 67.3 °F | 88.4 °F | 4.39 in. |
| August | 65.1 °F | 87.8 °F | 3.41 in. |
| September | 57.7 °F | 82.2 °F | 3.57 in. |
| October | 46.3 °F | 72.1 °F | 3.86 in. |
| November | 35.0 °F | 58.0 °F | 3.75 in. |
| December | 29.0 °F | 47.3 °F | 4.49 in. |
| Annual | 46.1 °F | 68.1 °F | 50.45 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |