Warba, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.3 °F (low) to 50.6 °F (high). Annual precipitation averages 28.7 Inches. 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 | -1.4 °F | 18.5 °F | 0.86 in. |
| February | 1.9 °F | 24.7 °F | 0.8 in. |
| March | 15.1 °F | 37.5 °F | 1.19 in. |
| April | 28.3 °F | 51.3 °F | 2.09 in. |
| May | 40.5 °F | 64.9 °F | 3.28 in. |
| June | 50.6 °F | 73.9 °F | 4.59 in. |
| July | 55.3 °F | 78.4 °F | 3.93 in. |
| August | 53.2 °F | 76.6 °F | 3.29 in. |
| September | 45.3 °F | 68.2 °F | 3.32 in. |
| October | 34.0 °F | 53.3 °F | 2.8 in. |
| November | 21.1 °F | 36.6 °F | 1.47 in. |
| December | 7.1 °F | 23.7 °F | 1.1 in. |
| Annual | 29.3 °F | 50.6 °F | 28.72 in. |
| 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 : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |