Greilickville, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.3 °C (low) to 12.7 °C (high). Annual precipitation averages 874 Millimeters. Greilickville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | -2.1 °C | 60.96 mm |
| February | -8.8 °C | -1.1 °C | 44.7 mm |
| March | -5.2 °C | 4.4 °C | 50.8 mm |
| April | 0.5 °C | 11.4 °C | 79.25 mm |
| May | 6.6 °C | 18.4 °C | 77.72 mm |
| June | 12.6 °C | 24.4 °C | 72.9 mm |
| July | 15.6 °C | 27 °C | 70.36 mm |
| August | 15.1 °C | 26.1 °C | 81.28 mm |
| September | 11.2 °C | 21.8 °C | 90.93 mm |
| October | 5.3 °C | 14.3 °C | 104.14 mm |
| November | 0.1 °C | 7.2 °C | 74.42 mm |
| December | -4.7 °C | 1.1 °C | 66.55 mm |
| Annual | 3.3 °C | 12.7 °C | 874.01 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |