Greilickville, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38 °F (low) to 54.9 °F (high). Annual precipitation averages 34.4 Inches. 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 | 17.0 °F | 28.2 °F | 2.4 in. |
| February | 16.2 °F | 30.1 °F | 1.76 in. |
| March | 22.6 °F | 40.0 °F | 2.0 in. |
| April | 32.9 °F | 52.6 °F | 3.12 in. |
| May | 43.8 °F | 65.1 °F | 3.06 in. |
| June | 54.6 °F | 76.0 °F | 2.87 in. |
| July | 60.0 °F | 80.6 °F | 2.77 in. |
| August | 59.1 °F | 79.0 °F | 3.2 in. |
| September | 52.2 °F | 71.2 °F | 3.58 in. |
| October | 41.5 °F | 57.7 °F | 4.1 in. |
| November | 32.1 °F | 44.9 °F | 2.93 in. |
| December | 23.6 °F | 33.9 °F | 2.62 in. |
| Annual | 38 °F | 54.9 °F | 34.41 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |