| 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 4a: -30F to -25F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50i - Northern Highlands Lakes Country |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54540 - Land O Lakes, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -1 | 3 | 14 | 27 | 40 | 49 | 55 | 53 | 44 | 33 | 21 | 6 | 29 |
| Avg Max Temp (°F) | 19 | 25 | 36 | 50 | 65 | 72 | 76 | 74 | 65 | 53 | 36 | 23 | 50 |
| Avg Precip (In.) | 1.45 | 1.01 | 1.81 | 2.25 | 3.24 | 3.91 | 3.84 | 4.06 | 3.91 | 2.83 | 2.37 | 1.57 | 32.25 |