Askov, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.4 °F (low) to 51.8 °F (high). Annual precipitation averages 31.9 Inches. Askov 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 | 0.4 °F | 20.3 °F | 0.81 in. |
| February | 4.3 °F | 25.9 °F | 0.85 in. |
| March | 16.6 °F | 38.1 °F | 1.51 in. |
| April | 29.2 °F | 52.0 °F | 2.71 in. |
| May | 40.8 °F | 65.7 °F | 3.69 in. |
| June | 50.7 °F | 74.8 °F | 4.45 in. |
| July | 56.2 °F | 79.4 °F | 4.54 in. |
| August | 54.3 °F | 77.4 °F | 4.03 in. |
| September | 46.1 °F | 69.3 °F | 3.41 in. |
| October | 34.6 °F | 54.8 °F | 3.07 in. |
| November | 22.2 °F | 38.7 °F | 1.63 in. |
| December | 8.9 °F | 25.4 °F | 1.22 in. |
| Annual | 30.4 °F | 51.8 °F | 31.92 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |