| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | 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. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50j - Brule and Paint Rive Drumlins |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54520 - Crandon, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 0 | 4 | 15 | 28 | 40 | 49 | 54 | 52 | 44 | 33 | 21 | 7 | 29 |
| Avg Max Temp (°F) | 20 | 26 | 37 | 52 | 66 | 73 | 76 | 74 | 65 | 54 | 37 | 24 | 50 |
| Avg Precip (In.) | 1.26 | .92 | 1.84 | 2.49 | 3.26 | 3.79 | 3.78 | 3.95 | 4.03 | 2.63 | 2.2 | 1.38 | 31.54 |