Crab Orchard, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.5 °F (low) to 66.6 °F (high). Annual precipitation averages 49.4 Inches. Crab Orchard 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.1 °F | 42.9 °F | 3.72 in. |
| February | 27.9 °F | 47.4 °F | 3.73 in. |
| March | 34.5 °F | 56.2 °F | 4.56 in. |
| April | 44.0 °F | 67.8 °F | 4.57 in. |
| May | 54.4 °F | 75.5 °F | 5.13 in. |
| June | 62.5 °F | 83.6 °F | 5.12 in. |
| July | 66.3 °F | 86.5 °F | 4.67 in. |
| August | 63.9 °F | 86.2 °F | 3.5 in. |
| September | 57.0 °F | 80.7 °F | 3.72 in. |
| October | 46.3 °F | 69.5 °F | 3.27 in. |
| November | 35.1 °F | 56.7 °F | 3.22 in. |
| December | 29.0 °F | 46.4 °F | 4.19 in. |
| Annual | 45.5 °F | 66.6 °F | 49.4 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |