| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 50q - Itasca and St. Louis Moraines | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 56484 - Walker, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -4 | 4 | 17 | 30 | 44 | 53 | 58 | 56 | 46 | 35 | 20 | 3 | 30 |
| Avg Max Temp (°F) | 16 | 24 | 36 | 52 | 67 | 75 | 79 | 76 | 66 | 53 | 34 | 20 | 50 |
| Avg Precip (In.) | .79 | .6 | 1.36 | 1.95 | 2.97 | 4.07 | 4.22 | 3.64 | 2.88 | 2.68 | 1.4 | .76 | 27.32 |