New Munich, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.2 °C (low) to 11.7 °C (high). Annual precipitation averages 724.9 Millimeters. New Munich is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.9 °C | -6.4 °C | 17.78 mm |
| February | -14.8 °C | -3.4 °C | 18.03 mm |
| March | -7.6 °C | 3.4 °C | 34.8 mm |
| April | -0.3 °C | 12.1 °C | 62.23 mm |
| May | 7 °C | 19.7 °C | 89.41 mm |
| June | 12.8 °C | 25.1 °C | 111.51 mm |
| July | 15.3 °C | 27.6 °C | 107.7 mm |
| August | 13.8 °C | 26.4 °C | 92.96 mm |
| September | 9.1 °C | 21.9 °C | 66.55 mm |
| October | 2.1 °C | 13.6 °C | 69.85 mm |
| November | -5.3 °C | 4.1 °C | 30.73 mm |
| December | -12.4 °C | -3.3 °C | 23.37 mm |
| Annual | 0.2 °C | 11.7 °C | 724.92 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |