Middleville, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.5 °F (low) to 57.3 °F (high). Annual precipitation averages 38.7 Inches. Middleville 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 | 17.1 °F | 30.4 °F | 2.73 in. |
| February | 17.4 °F | 33.0 °F | 2.15 in. |
| March | 24.8 °F | 43.5 °F | 2.39 in. |
| April | 35.5 °F | 56.8 °F | 3.77 in. |
| May | 46.8 °F | 68.5 °F | 4.2 in. |
| June | 56.4 °F | 78.0 °F | 3.89 in. |
| July | 60.1 °F | 81.8 °F | 3.46 in. |
| August | 58.7 °F | 80.0 °F | 3.58 in. |
| September | 50.9 °F | 73.4 °F | 3.25 in. |
| October | 40.3 °F | 60.4 °F | 3.75 in. |
| November | 31.0 °F | 46.7 °F | 2.98 in. |
| December | 23.2 °F | 35.5 °F | 2.52 in. |
| Annual | 38.5 °F | 57.3 °F | 38.67 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |