Kingston Mines, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.9 °F (low) to 62.5 °F (high). Annual precipitation averages 38.8 Inches. Kingston Mines is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.9 °F | 33.6 °F | 2.04 in. |
| February | 20.3 °F | 38.3 °F | 1.98 in. |
| March | 30.3 °F | 50.6 °F | 2.55 in. |
| April | 41.0 °F | 63.6 °F | 3.87 in. |
| May | 52.6 °F | 74.1 °F | 4.94 in. |
| June | 62.0 °F | 83.1 °F | 4.57 in. |
| July | 65.2 °F | 86.2 °F | 3.98 in. |
| August | 62.9 °F | 84.8 °F | 3.47 in. |
| September | 54.5 °F | 79.1 °F | 3.46 in. |
| October | 42.6 °F | 66.3 °F | 3.09 in. |
| November | 31.9 °F | 51.3 °F | 2.74 in. |
| December | 22.7 °F | 38.9 °F | 2.14 in. |
| Annual | 41.9 °F | 62.5 °F | 38.83 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |