Northville, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.4 °F (low) to 58.5 °F (high). Annual precipitation averages 33.9 Inches. Northville 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 | 16.8 °F | 31.3 °F | 2.36 in. |
| February | 17.7 °F | 34.4 °F | 1.89 in. |
| March | 25.7 °F | 44.8 °F | 2.29 in. |
| April | 36.3 °F | 57.5 °F | 3.08 in. |
| May | 47.6 °F | 69.7 °F | 3.77 in. |
| June | 57.6 °F | 79.0 °F | 3.45 in. |
| July | 61.7 °F | 83.0 °F | 3.25 in. |
| August | 60.4 °F | 81.2 °F | 3.23 in. |
| September | 53.0 °F | 74.8 °F | 3.09 in. |
| October | 41.5 °F | 61.4 °F | 2.8 in. |
| November | 31.6 °F | 48.2 °F | 2.51 in. |
| December | 23.3 °F | 36.4 °F | 2.22 in. |
| Annual | 39.4 °F | 58.5 °F | 33.94 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |