New Lothrop, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.2 °C (low) to 14.1 °C (high). Annual precipitation averages 841.8 Millimeters. New Lothrop 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.3 °C | -1 °C | 54.86 mm |
| February | -9 °C | 0.5 °C | 43.18 mm |
| March | -4.5 °C | 6.2 °C | 49.53 mm |
| April | 1.4 °C | 13.6 °C | 85.6 mm |
| May | 7.8 °C | 20.4 °C | 95 mm |
| June | 13.3 °C | 25.8 °C | 85.85 mm |
| July | 15.4 °C | 28 °C | 84.84 mm |
| August | 14.6 °C | 26.8 °C | 82.8 mm |
| September | 10.2 °C | 23.2 °C | 71.63 mm |
| October | 4.4 °C | 15.9 °C | 76.71 mm |
| November | -0.8 °C | 8.3 °C | 60.71 mm |
| December | -5.4 °C | 1.9 °C | 51.05 mm |
| Annual | 3.2 °C | 14.1 °C | 841.76 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |