Deer Creek, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.7 °C (low) to 10.3 °C (high). Annual precipitation averages 678.7 Millimeters. Deer Creek 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 | -18.2 °C | -7.9 °C | 16.51 mm |
| February | -16.4 °C | -5.1 °C | 16.26 mm |
| March | -8.9 °C | 2.1 °C | 29.97 mm |
| April | -1.1 °C | 10.9 °C | 53.34 mm |
| May | 6.3 °C | 18.3 °C | 87.38 mm |
| June | 12.3 °C | 23.3 °C | 107.95 mm |
| July | 14.8 °C | 26 °C | 107.44 mm |
| August | 13.2 °C | 25.1 °C | 79.25 mm |
| September | 8.7 °C | 20.6 °C | 68.33 mm |
| October | 1.4 °C | 12.1 °C | 67.56 mm |
| November | -6.2 °C | 2.8 °C | 24.89 mm |
| December | -13.7 °C | -4.8 °C | 19.81 mm |
| Annual | -0.7 °C | 10.3 °C | 678.69 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 | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |