| 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 11 - May 20 |
| 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 54466 - Pittsville, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 3 | 9 | 21 | 33 | 44 | 53 | 57 | 55 | 46 | 36 | 24 | 10 | 32 |
| Avg Max Temp (°F) | 24 | 31 | 42 | 57 | 70 | 78 | 82 | 80 | 71 | 59 | 42 | 28 | 55 |
| Avg Precip (In.) | .98 | .94 | 1.89 | 2.96 | 3.74 | 3.92 | 4.21 | 4.17 | 3.79 | 2.33 | 2.09 | 1.27 | 32.29 |