Kinderhook, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.2 °F (low) to 64 °F (high). Annual precipitation averages 39 Inches. Kinderhook is located in USDA Plant Hardiness Zone 6b. 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 | 19.6 °F | 36.1 °F | 1.93 in. |
| February | 23.2 °F | 41.3 °F | 1.97 in. |
| March | 32.3 °F | 52.3 °F | 2.67 in. |
| April | 43.3 °F | 64.6 °F | 4.19 in. |
| May | 54.1 °F | 74.9 °F | 4.83 in. |
| June | 63.6 °F | 83.9 °F | 4.57 in. |
| July | 67.4 °F | 87.6 °F | 3.99 in. |
| August | 65.4 °F | 86.4 °F | 3.44 in. |
| September | 56.9 °F | 79.3 °F | 3.46 in. |
| October | 45.5 °F | 67.2 °F | 3.07 in. |
| November | 34.3 °F | 53.0 °F | 2.78 in. |
| December | 24.7 °F | 40.9 °F | 2.1 in. |
| Annual | 44.2 °F | 64 °F | 39 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |