Lakemoor, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 14.3 °C (high). Annual precipitation averages 966 Millimeters. Lakemoor is located in USDA Plant Hardiness Zone 5b. 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 | -10.1 °C | -1.5 °C | 45.97 mm |
| February | -8.6 °C | 0.6 °C | 46.99 mm |
| March | -3.3 °C | 6.9 °C | 56.64 mm |
| April | 2.6 °C | 14.2 °C | 95.25 mm |
| May | 8.6 °C | 20.5 °C | 118.62 mm |
| June | 14.2 °C | 26 °C | 123.44 mm |
| July | 16.9 °C | 28.3 °C | 98.3 mm |
| August | 16.1 °C | 27.3 °C | 98.04 mm |
| September | 11.7 °C | 23.5 °C | 90.68 mm |
| October | 5.1 °C | 16.3 °C | 80.01 mm |
| November | -0.9 °C | 8.3 °C | 60.71 mm |
| December | -6.7 °C | 1.6 °C | 51.31 mm |
| Annual | 3.8 °C | 14.3 °C | 965.96 mm |
| 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |