| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°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. 21 - Sep. 30 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 51b - Central Wisconsin Undulating Till Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54725 - Boyceville, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 1 | 8 | 20 | 32 | 44 | 54 | 59 | 56 | 47 | 36 | 23 | 9 | 32 |
| Avg Max Temp (°F) | 22 | 29 | 40 | 57 | 70 | 78 | 82 | 79 | 70 | 58 | 40 | 26 | 54 |
| Avg Precip (In.) | 1.09 | .79 | 1.88 | 2.8 | 3.47 | 4.55 | 4.2 | 4.51 | 3.76 | 2.36 | 2.06 | 1.05 | 32.52 |