Kingston, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.6 °F (low) to 58.4 °F (high). Annual precipitation averages 37.8 Inches. Kingston is located in USDA Plant Hardiness Zone 5b. 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 | 17.8 °F | 34.6 °F | 1.95 in. |
| February | 21.5 °F | 39.8 °F | 1.97 in. |
| March | 31.0 °F | 51.0 °F | 2.65 in. |
| April | 41.8 °F | 63.3 °F | 4.13 in. |
| May | 53.2 °F | 73.1 °F | 4.84 in. |
| June | 62.6 °F | 82.0 °F | 4.67 in. |
| July | 65.7 °F | 85.7 °F | 4.01 in. |
| August | 63.5 °F | 84.5 °F | 3.54 in. |
| September | 54.8 °F | 78.2 °F | 3.5 in. |
| October | 43.5 °F | 65.8 °F | 3.1 in. |
| November | 32.9 °F | 51.8 °F | 2.78 in. |
| December | 23.3 °F | 39.3 °F | 2.11 in. |
| Annual | 42.6 °F | 62.4 °F | 39.25 in. |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.9 °F | 29.0 °F | 1.73 in. |
| February | 16.1 °F | 33.1 °F | 1.71 in. |
| March | 26.3 °F | 45.3 °F | 2.29 in. |
| April | 37.1 °F | 58.9 °F | 3.6 in. |
| May | 48.6 °F | 70.5 °F | 4.81 in. |
| June | 58.5 °F | 79.9 °F | 4.94 in. |
| July | 62.3 °F | 83.2 °F | 3.84 in. |
| August | 60.2 °F | 81.4 °F | 4.13 in. |
| September | 52.1 °F | 75.4 °F | 3.45 in. |
| October | 40.2 °F | 62.5 °F | 2.93 in. |
| November | 29.4 °F | 47.2 °F | 2.41 in. |
| December | 18.9 °F | 34.4 °F | 1.99 in. |
| Annual | 38.6 °F | 58.4 °F | 37.83 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 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 |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |