Crittenden, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.1 °F (low) to 64.8 °F (high). Annual precipitation averages 45 Inches. Crittenden is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.1 °F | 39.7 °F | 3.18 in. |
| February | 25.8 °F | 44.2 °F | 2.85 in. |
| March | 33.7 °F | 53.7 °F | 4.1 in. |
| April | 44.2 °F | 65.6 °F | 4.56 in. |
| May | 54.2 °F | 74.5 °F | 4.94 in. |
| June | 62.1 °F | 82.6 °F | 4.75 in. |
| July | 65.8 °F | 85.8 °F | 4.18 in. |
| August | 64.7 °F | 85.0 °F | 3.24 in. |
| September | 57.8 °F | 79.3 °F | 3.12 in. |
| October | 46.3 °F | 68.2 °F | 3.17 in. |
| November | 35.4 °F | 54.5 °F | 3.27 in. |
| December | 28.0 °F | 44.0 °F | 3.67 in. |
| Annual | 45.1 °F | 64.8 °F | 45.03 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |