New Richland, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 12.5 °C (high). Annual precipitation averages 886 Millimeters. New Richland is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.5 °C | -5.1 °C | 23.37 mm |
| February | -12.4 °C | -2.7 °C | 21.84 mm |
| March | -5.4 °C | 4.2 °C | 46.23 mm |
| April | 1.5 °C | 13 °C | 84.07 mm |
| May | 8.4 °C | 19.9 °C | 113.28 mm |
| June | 14.6 °C | 25.6 °C | 131.83 mm |
| July | 16.4 °C | 27.4 °C | 121.67 mm |
| August | 14.9 °C | 26.1 °C | 113.03 mm |
| September | 10.3 °C | 22.8 °C | 98.81 mm |
| October | 3.1 °C | 15.1 °C | 62.48 mm |
| November | -3.7 °C | 5.9 °C | 39.12 mm |
| December | -10.5 °C | -1.9 °C | 30.23 mm |
| Annual | 1.9 °C | 12.5 °C | 885.96 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |