| 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 4b: -25F to -20F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 52b - Paleozoic Plateau/Coulee Section |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55971 - Rushford, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 4 | 10 | 22 | 35 | 46 | 56 | 60 | 58 | 49 | 37 | 24 | 11 | 34 |
| Avg Max Temp (°F) | 23 | 30 | 42 | 57 | 70 | 79 | 83 | 80 | 72 | 60 | 42 | 28 | 55 |
| Avg Precip (In.) | 1.03 | .83 | 1.94 | 3.4 | 3.83 | 4.38 | 4.46 | 4.67 | 3.59 | 2.32 | 2.23 | 1.17 | 33.85 |