Hutchinson, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.5 °F (low) to 54 °F (high). Annual precipitation averages 30 Inches. Hutchinson is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.3 °F | 21.6 °F | 0.69 in. |
| February | 7.5 °F | 26.2 °F | 0.79 in. |
| March | 20.5 °F | 38.6 °F | 1.49 in. |
| April | 33.8 °F | 54.9 °F | 2.64 in. |
| May | 46.7 °F | 68.2 °F | 3.86 in. |
| June | 57.7 °F | 78.0 °F | 4.97 in. |
| July | 61.6 °F | 82.2 °F | 3.65 in. |
| August | 58.8 °F | 79.7 °F | 4.27 in. |
| September | 50.3 °F | 72.8 °F | 3.16 in. |
| October | 37.2 °F | 58.0 °F | 2.15 in. |
| November | 24.3 °F | 41.1 °F | 1.34 in. |
| December | 11.6 °F | 27.2 °F | 0.99 in. |
| Annual | 34.5 °F | 54 °F | 30 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |