Holland, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.8 °C (low) to 14.3 °C (high). Annual precipitation averages 971 Millimeters. Holland is located in USDA Plant Hardiness Zone 6b. 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 | -6.8 °C | -0.1 °C | 72.64 mm |
| February | -6.7 °C | 1.2 °C | 52.32 mm |
| March | -2.8 °C | 6.6 °C | 53.09 mm |
| April | 2.8 °C | 13.7 °C | 88.9 mm |
| May | 8.8 °C | 20.1 °C | 106.17 mm |
| June | 14 °C | 25.2 °C | 95.5 mm |
| July | 16.6 °C | 27.3 °C | 84.84 mm |
| August | 16 °C | 26.6 °C | 90.42 mm |
| September | 11.9 °C | 23.1 °C | 81.79 mm |
| October | 6.1 °C | 15.9 °C | 101.09 mm |
| November | 0.9 °C | 8.8 °C | 79.25 mm |
| December | -3.6 °C | 2.7 °C | 65.02 mm |
| Annual | 4.8 °C | 14.3 °C | 971.03 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 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |