Skokie, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.6 °F (low) to 58.8 °F (high). Annual precipitation averages 39.8 Inches. Skokie is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.1 °F | 32.0 °F | 2.35 in. |
| February | 22.0 °F | 36.2 °F | 2.27 in. |
| March | 30.8 °F | 45.9 °F | 2.22 in. |
| April | 40.2 °F | 57.2 °F | 3.88 in. |
| May | 51.1 °F | 68.4 °F | 4.57 in. |
| June | 60.9 °F | 78.3 °F | 4.46 in. |
| July | 67.3 °F | 82.8 °F | 3.81 in. |
| August | 66.3 °F | 81.0 °F | 4.18 in. |
| September | 58.8 °F | 74.6 °F | 3.43 in. |
| October | 46.7 °F | 62.5 °F | 3.57 in. |
| November | 34.9 °F | 48.6 °F | 2.68 in. |
| December | 25.2 °F | 37.5 °F | 2.42 in. |
| Annual | 43.6 °F | 58.8 °F | 39.84 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |