Lincolnshire, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.7 °F (low) to 58.4 °F (high). Annual precipitation averages 38.1 Inches. Lincolnshire is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 31.2 °F | 2.11 in. |
| February | 19.8 °F | 34.9 °F | 2.02 in. |
| March | 28.7 °F | 45.2 °F | 2.29 in. |
| April | 38.9 °F | 56.8 °F | 3.84 in. |
| May | 49.7 °F | 68.3 °F | 4.38 in. |
| June | 59.8 °F | 78.6 °F | 4.42 in. |
| July | 65.4 °F | 83.1 °F | 3.84 in. |
| August | 64.2 °F | 81.4 °F | 3.89 in. |
| September | 56.4 °F | 74.8 °F | 3.48 in. |
| October | 44.3 °F | 62.2 °F | 3.31 in. |
| November | 32.8 °F | 48.0 °F | 2.43 in. |
| December | 23.0 °F | 36.6 °F | 2.11 in. |
| Annual | 41.7 °F | 58.4 °F | 38.12 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |