| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50j - Brule and Paint Rive Drumlins |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54541 - Laona, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 1 | 4 | 15 | 28 | 40 | 49 | 54 | 52 | 44 | 33 | 21 | 8 | 29 |
| Avg Max Temp (°F) | 21 | 27 | 37 | 52 | 66 | 73 | 76 | 74 | 65 | 54 | 37 | 24 | 50 |
| Avg Precip (In.) | 1.25 | .94 | 1.91 | 2.49 | 3.26 | 3.76 | 3.67 | 3.79 | 3.89 | 2.63 | 2.19 | 1.39 | 31.18 |