Warba, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.5 °C (low) to 10.4 °C (high). Annual precipitation averages 729.5 Millimeters. Warba is located in USDA Plant Hardiness Zone 4a. 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 | -18.6 °C | -7.5 °C | 21.84 mm |
| February | -16.7 °C | -4.1 °C | 20.32 mm |
| March | -9.4 °C | 3.1 °C | 30.23 mm |
| April | -2.1 °C | 10.7 °C | 53.09 mm |
| May | 4.7 °C | 18.3 °C | 83.31 mm |
| June | 10.3 °C | 23.3 °C | 116.59 mm |
| July | 12.9 °C | 25.8 °C | 99.82 mm |
| August | 11.8 °C | 24.8 °C | 83.57 mm |
| September | 7.4 °C | 20.1 °C | 84.33 mm |
| October | 1.1 °C | 11.8 °C | 71.12 mm |
| November | -6.1 °C | 2.6 °C | 37.34 mm |
| December | -13.8 °C | -4.6 °C | 27.94 mm |
| Annual | -1.5 °C | 10.4 °C | 729.5 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |