Holland, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.6 °F (low) to 57.6 °F (high). Annual precipitation averages 38.2 Inches. 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 | 19.7 °F | 31.9 °F | 2.86 in. |
| February | 20.0 °F | 34.1 °F | 2.06 in. |
| March | 26.9 °F | 43.8 °F | 2.09 in. |
| April | 37.1 °F | 56.7 °F | 3.5 in. |
| May | 47.8 °F | 68.1 °F | 4.18 in. |
| June | 57.2 °F | 77.3 °F | 3.76 in. |
| July | 61.9 °F | 81.1 °F | 3.34 in. |
| August | 60.8 °F | 79.8 °F | 3.56 in. |
| September | 53.4 °F | 73.5 °F | 3.22 in. |
| October | 42.9 °F | 60.6 °F | 3.98 in. |
| November | 33.6 °F | 47.8 °F | 3.12 in. |
| December | 25.5 °F | 36.8 °F | 2.56 in. |
| Annual | 40.6 °F | 57.6 °F | 38.23 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |