Gonvick, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.8 °C (low) to 9.7 °C (high). Annual precipitation averages 619.8 Millimeters. Gonvick 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 | -19.8 °C | -9.1 °C | 18.54 mm |
| February | -18.1 °C | -6.2 °C | 16 mm |
| March | -10.2 °C | 1.3 °C | 22.86 mm |
| April | -1.9 °C | 10.3 °C | 34.54 mm |
| May | 5.3 °C | 18.2 °C | 73.41 mm |
| June | 11.5 °C | 23.3 °C | 107.44 mm |
| July | 13.6 °C | 25.8 °C | 89.92 mm |
| August | 12.2 °C | 25.2 °C | 76.96 mm |
| September | 7.3 °C | 20.2 °C | 71.12 mm |
| October | 0.8 °C | 11.5 °C | 61.21 mm |
| November | -7.2 °C | 1.8 °C | 25.15 mm |
| December | -15.1 °C | -5.7 °C | 22.61 mm |
| Annual | -1.8 °C | 9.7 °C | 619.76 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 |