| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 3a: -40°F to -35°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 3a: -40°F to -35°F | |
| 1990 Hardiness Zone: | Zone 3a: -40F to -35F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dwb - Humid Continental Mild Summer With Dry Winters | |
| Ecoregion: | 49b - Forested Lake Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55723 - Cook, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -8 | -1 | 12 | 26 | 39 | 48 | 53 | 51 | 42 | 32 | 17 | 0 | 26 |
| Avg Max Temp (°F) | 16 | 24 | 36 | 52 | 67 | 74 | 78 | 76 | 65 | 53 | 34 | 21 | 50 |
| Avg Precip (In.) | .91 | .64 | 1.03 | 1.54 | 2.69 | 4.34 | 4.14 | 3.92 | 3.42 | 2.47 | 1.45 | .76 | 27.31 |