Wolf Lake, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.8 °C (low) to 9.8 °C (high). Annual precipitation averages 689.6 Millimeters. Wolf Lake is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -18.9 °C | -8.1 °C | 17.02 mm |
| February | -17.2 °C | -5.3 °C | 16.26 mm |
| March | -9.3 °C | 1.9 °C | 28.7 mm |
| April | -1.3 °C | 10.3 °C | 50.8 mm |
| May | 6.3 °C | 17.7 °C | 89.92 mm |
| June | 12.3 °C | 22.8 °C | 111.25 mm |
| July | 15 °C | 25.5 °C | 100.58 mm |
| August | 13.7 °C | 24.6 °C | 73.91 mm |
| September | 8.7 °C | 19.9 °C | 69.34 mm |
| October | 1.5 °C | 11.3 °C | 73.15 mm |
| November | -6.7 °C | 2.1 °C | 31.24 mm |
| December | -14.3 °C | -5.4 °C | 27.43 mm |
| Annual | -0.8 °C | 9.8 °C | 689.6 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |