Norwood, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.2 °F (low) to 52.9 °F (high). Annual precipitation averages 33.2 Inches. Norwood 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 | 17.7 °F | 28.0 °F | 2.24 in. |
| February | 16.7 °F | 29.3 °F | 1.53 in. |
| March | 22.0 °F | 37.7 °F | 1.83 in. |
| April | 32.6 °F | 49.4 °F | 2.84 in. |
| May | 43.2 °F | 62.4 °F | 3.1 in. |
| June | 53.3 °F | 71.3 °F | 2.95 in. |
| July | 59.7 °F | 76.4 °F | 2.67 in. |
| August | 60.0 °F | 75.8 °F | 2.97 in. |
| September | 53.3 °F | 69.6 °F | 3.55 in. |
| October | 42.3 °F | 56.4 °F | 4.16 in. |
| November | 33.1 °F | 44.3 °F | 2.91 in. |
| December | 24.4 °F | 33.7 °F | 2.44 in. |
| Annual | 38.2 °F | 52.9 °F | 33.19 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |