| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 51i - Big Woods |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55046 - Lonsdale, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 9 | 21 | 34 | 47 | 56 | 60 | 58 | 49 | 37 | 23 | 9 | 34 |
| Avg Max Temp (°F) | 21 | 28 | 40 | 56 | 70 | 79 | 83 | 80 | 72 | 60 | 40 | 26 | 55 |
| Avg Precip (In.) | .92 | .69 | 1.85 | 2.59 | 3.56 | 4.36 | 4.26 | 4.46 | 3.1 | 2.2 | 1.85 | .93 | 30.79 |