| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F 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: | 52b - Paleozoic Plateau/Coulee Section |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55009 - Cannon Falls, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 3 | 9 | 22 | 34 | 47 | 56 | 60 | 58 | 49 | 37 | 24 | 9 | 34 |
| Avg Max Temp (°F) | 22 | 29 | 41 | 57 | 70 | 79 | 83 | 80 | 72 | 60 | 41 | 26 | 55 |
| Avg Precip (In.) | 1.02 | .73 | 1.88 | 2.87 | 3.69 | 4.27 | 4.34 | 4.3 | 3.32 | 2.32 | 2.07 | 1 | 31.81 |