Middleville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 13.6 °C (high). Annual precipitation averages 1187.4 Millimeters. Middleville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.5 °C | -1.3 °C | 79.5 mm |
| February | -9.9 °C | 0.1 °C | 68.83 mm |
| March | -5.4 °C | 4.6 °C | 80.52 mm |
| April | 1.3 °C | 13.1 °C | 98.3 mm |
| May | 7.7 °C | 20.5 °C | 102.87 mm |
| June | 13.1 °C | 24.9 °C | 123.19 mm |
| July | 15.7 °C | 27.4 °C | 123.19 mm |
| August | 14.8 °C | 26.5 °C | 108.71 mm |
| September | 10.8 °C | 22.6 °C | 100.58 mm |
| October | 4.8 °C | 15.3 °C | 115.32 mm |
| November | -0.7 °C | 7.9 °C | 96.01 mm |
| December | -6.1 °C | 1.6 °C | 90.42 mm |
| Annual | 3 °C | 13.6 °C | 1187.44 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |