| 2023 Hardiness Zone: | Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F | |
| 1990 Hardiness Zone: | Zone 3a: -40F to -35F | |
| 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: | 50o - Glacial Lakes Upham and Aitken | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55760 - McGregor, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -4 | 3 | 16 | 29 | 41 | 50 | 55 | 54 | 45 | 34 | 20 | 3 | 29 |
| Avg Max Temp (°F) | 18 | 26 | 37 | 53 | 67 | 75 | 79 | 77 | 67 | 55 | 36 | 22 | 51 |
| Avg Precip (In.) | .91 | .62 | 1.37 | 1.92 | 3.1 | 4.39 | 4.44 | 3.9 | 3.17 | 2.45 | 1.58 | .78 | 28.62 |