Diablock, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.8 °C (low) to 19.7 °C (high). Annual precipitation averages 1278.9 Millimeters. Diablock 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 | -4.1 °C | 7 °C | 97.54 mm |
| February | -2.9 °C | 9.4 °C | 95 mm |
| March | 0.6 °C | 14.6 °C | 115.32 mm |
| April | 5.5 °C | 20.8 °C | 115.06 mm |
| May | 11.2 °C | 24.7 °C | 126.24 mm |
| June | 15.8 °C | 28.3 °C | 125.22 mm |
| July | 18.4 °C | 29.9 °C | 133.86 mm |
| August | 17.8 °C | 29.6 °C | 110.74 mm |
| September | 13.9 °C | 26.7 °C | 81.28 mm |
| October | 6.9 °C | 21.2 °C | 78.49 mm |
| November | 0.8 °C | 14.6 °C | 81.53 mm |
| December | -2.1 °C | 9.2 °C | 118.62 mm |
| Annual | 6.8 °C | 19.7 °C | 1278.9 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |