Stanchfield, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.3 °C (low) to 12 °C (high). Annual precipitation averages 794.8 Millimeters. Stanchfield is located in USDA Plant Hardiness Zone 4b. 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 | -16.4 °C | -5.7 °C | 19.05 mm |
| February | -14.4 °C | -2.7 °C | 21.08 mm |
| March | -7.4 °C | 4.3 °C | 38.35 mm |
| April | -0.2 °C | 12.3 °C | 71.63 mm |
| May | 6.8 °C | 19.7 °C | 100.84 mm |
| June | 12.4 °C | 24.8 °C | 111.25 mm |
| July | 15 °C | 27.2 °C | 109.22 mm |
| August | 13.6 °C | 26.2 °C | 101.35 mm |
| September | 8.8 °C | 21.7 °C | 81.28 mm |
| October | 2.2 °C | 13.8 °C | 72.39 mm |
| November | -4.8 °C | 4.7 °C | 40.89 mm |
| December | -12.1 °C | -2.8 °C | 27.43 mm |
| Annual | 0.3 °C | 12 °C | 794.76 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 4b : -31.7°C to -28.9°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 |