Waubun, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.9 °C (low) to 10 °C (high). Annual precipitation averages 650.5 Millimeters. Waubun 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 | -18.5 °C | -8.7 °C | 20.07 mm |
| February | -17.1 °C | -6.1 °C | 17.53 mm |
| March | -8.8 °C | 1.3 °C | 26.16 mm |
| April | -0.8 °C | 10.6 °C | 39.37 mm |
| May | 5.9 °C | 18.5 °C | 79.5 mm |
| June | 12.3 °C | 23.6 °C | 113.28 mm |
| July | 14.4 °C | 26 °C | 92.46 mm |
| August | 13.1 °C | 25.4 °C | 74.42 mm |
| September | 8.2 °C | 20.7 °C | 75.69 mm |
| October | 1.4 °C | 11.9 °C | 62.74 mm |
| November | -6.6 °C | 2.3 °C | 25.4 mm |
| December | -14.3 °C | -5.3 °C | 23.88 mm |
| Annual | -0.9 °C | 10 °C | 650.5 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |