Greensburg, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.9 °F (low) to 68.1 °F (high). Annual precipitation averages 54.5 Inches. Greensburg 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 | 24.9 °F | 44.6 °F | 4.13 in. |
| February | 27.0 °F | 48.5 °F | 4.32 in. |
| March | 33.9 °F | 58.1 °F | 5.15 in. |
| April | 43.1 °F | 69.1 °F | 4.87 in. |
| May | 53.4 °F | 77.3 °F | 5.59 in. |
| June | 62.2 °F | 85.1 °F | 5.01 in. |
| July | 66.0 °F | 88.0 °F | 5.31 in. |
| August | 64.1 °F | 87.4 °F | 3.95 in. |
| September | 56.6 °F | 81.9 °F | 4.16 in. |
| October | 43.8 °F | 70.8 °F | 3.49 in. |
| November | 34.6 °F | 58.3 °F | 3.74 in. |
| December | 28.7 °F | 48.1 °F | 4.78 in. |
| Annual | 44.9 °F | 68.1 °F | 54.5 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |