| 2023 Hardiness Zone: | Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| 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: | 50e - Chequamegon Moraines and Outwash Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54843 - Hayward, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -2 | 4 | 18 | 30 | 42 | 51 | 57 | 55 | 45 | 34 | 21 | 6 | 30 |
| Avg Max Temp (°F) | 20 | 27 | 38 | 53 | 68 | 76 | 80 | 77 | 68 | 56 | 38 | 24 | 52 |
| Avg Precip (In.) | 1.16 | .9 | 1.73 | 2.25 | 3.29 | 4.09 | 4.47 | 4.6 | 4.11 | 2.75 | 2.11 | 1.08 | 32.55 |