Goofy Ridge, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 17.3 °C (high). Annual precipitation averages 1007.6 Millimeters. Goofy Ridge 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.4 °C | 1.2 °C | 50.55 mm |
| February | -6.4 °C | 3.8 °C | 50.04 mm |
| March | -0.9 °C | 10.6 °C | 64.52 mm |
| April | 4.8 °C | 17.7 °C | 101.6 mm |
| May | 11.4 °C | 23.7 °C | 127 mm |
| June | 16.6 °C | 28.7 °C | 121.92 mm |
| July | 18.3 °C | 30.4 °C | 104.14 mm |
| August | 17.1 °C | 29.7 °C | 92.96 mm |
| September | 12.3 °C | 26.7 °C | 87.38 mm |
| October | 5.6 °C | 19.6 °C | 80.52 mm |
| November | -0.2 °C | 11 °C | 70.1 mm |
| December | -5.2 °C | 4.1 °C | 56.9 mm |
| Annual | 5.4 °C | 17.3 °C | 1007.63 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°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 |