Norton Shores, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.7 °F (low) to 55.7 °F (high). Annual precipitation averages 35.1 Inches. Norton Shores 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 | 19.9 °F | 31.1 °F | 2.69 in. |
| February | 20.4 °F | 33.2 °F | 1.92 in. |
| March | 26.4 °F | 41.8 °F | 2.11 in. |
| April | 36.7 °F | 53.7 °F | 3.57 in. |
| May | 47.2 °F | 65.0 °F | 3.27 in. |
| June | 56.8 °F | 74.2 °F | 3.32 in. |
| July | 62.1 °F | 78.2 °F | 2.8 in. |
| August | 61.2 °F | 77.5 °F | 3.15 in. |
| September | 54.0 °F | 71.3 °F | 3.22 in. |
| October | 43.4 °F | 59.0 °F | 3.51 in. |
| November | 33.9 °F | 46.6 °F | 2.94 in. |
| December | 25.8 °F | 36.2 °F | 2.55 in. |
| Annual | 40.7 °F | 55.7 °F | 35.05 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 |