| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| 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: | 50a - Lake Superior Lacustrine Clay Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54836 - Foxboro, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -3 | 4 | 16 | 27 | 37 | 46 | 54 | 52 | 44 | 33 | 20 | 4 | 28 |
| Avg Max Temp (°F) | 20 | 27 | 37 | 52 | 66 | 75 | 79 | 77 | 68 | 56 | 38 | 24 | 52 |
| Avg Precip (In.) | .97 | .7 | 1.54 | 2.07 | 3.11 | 4.24 | 4.45 | 4.28 | 3.85 | 2.51 | 2.12 | .9 | 30.74 |