Zeeland, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.1 °C (low) to 13.9 °C (high). Annual precipitation averages 988.8 Millimeters. Zeeland is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | -0.7 °C | 77.22 mm |
| February | -7.4 °C | 0.6 °C | 54.36 mm |
| March | -3.5 °C | 6.2 °C | 55.12 mm |
| April | 2.3 °C | 13.4 °C | 93.22 mm |
| May | 8.4 °C | 19.8 °C | 105.66 mm |
| June | 13.8 °C | 25.1 °C | 97.79 mm |
| July | 15.9 °C | 27.2 °C | 82.3 mm |
| August | 15.3 °C | 26.4 °C | 89.92 mm |
| September | 11.2 °C | 23.1 °C | 81.79 mm |
| October | 5.3 °C | 15.6 °C | 101.85 mm |
| November | 0.1 °C | 8.2 °C | 81.79 mm |
| December | -4.2 °C | 2.1 °C | 67.82 mm |
| Annual | 4.1 °C | 13.9 °C | 988.84 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |