| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 47b - Des Moines Lobe |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55350 - Hutchinson, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 0 | 8 | 21 | 34 | 47 | 57 | 61 | 59 | 49 | 36 | 22 | 7 | 33 |
| Avg Max Temp (°F) | 20 | 27 | 39 | 56 | 70 | 79 | 83 | 80 | 72 | 59 | 39 | 25 | 54 |
| Avg Precip (In.) | .78 | .57 | 1.65 | 2.28 | 3.12 | 4.48 | 3.86 | 4.05 | 2.45 | 1.97 | 1.72 | .73 | 27.66 |