| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| 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: | 50k - Wisconsin/Michigan Pine Barrens |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54157 - Peshtigo, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 7 | 11 | 21 | 33 | 44 | 53 | 59 | 57 | 49 | 38 | 27 | 14 | 34 |
| Avg Max Temp (°F) | 24 | 29 | 39 | 52 | 66 | 75 | 81 | 78 | 69 | 57 | 42 | 30 | 53 |
| Avg Precip (In.) | 1.9 | 1.24 | 2.29 | 2.68 | 3.08 | 3.54 | 3.53 | 3.43 | 3.48 | 2.44 | 2.61 | 1.74 | 31.96 |