Green Spring, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.1 °F (low) to 67.1 °F (high). Annual precipitation averages 50.1 Inches. Green Spring 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 | 25.8 °F | 42.5 °F | 3.71 in. |
| February | 28.3 °F | 47.0 °F | 3.59 in. |
| March | 36.0 °F | 56.8 °F | 4.61 in. |
| April | 46.1 °F | 68.6 °F | 4.98 in. |
| May | 56.3 °F | 76.8 °F | 5.22 in. |
| June | 64.2 °F | 84.5 °F | 4.87 in. |
| July | 67.8 °F | 87.6 °F | 4.4 in. |
| August | 66.6 °F | 87.1 °F | 3.37 in. |
| September | 59.4 °F | 81.4 °F | 3.61 in. |
| October | 47.4 °F | 70.1 °F | 3.57 in. |
| November | 37.1 °F | 56.9 °F | 3.7 in. |
| December | 30.0 °F | 46.2 °F | 4.42 in. |
| Annual | 47.1 °F | 67.1 °F | 50.05 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |