| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | 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: | 51k - McGrath Till Plain and Drumlins |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 56329 - Foley, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -2 | 5 | 18 | 31 | 44 | 53 | 58 | 55 | 46 | 34 | 20 | 5 | 31 |
| Avg Max Temp (°F) | 19 | 26 | 38 | 55 | 69 | 77 | 81 | 79 | 69 | 57 | 38 | 24 | 53 |
| Avg Precip (In.) | .87 | .66 | 1.52 | 2.14 | 3.23 | 4.45 | 3.91 | 4.13 | 2.99 | 2.34 | 1.69 | .78 | 28.7 |