| 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 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 53d - Lake Michigan Lacustrine Clay Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 54230 - Reedsville, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 13 | 23 | 34 | 46 | 55 | 60 | 59 | 50 | 39 | 27 | 15 | 36 |
| Avg Max Temp (°F) | 25 | 29 | 41 | 55 | 67 | 78 | 82 | 79 | 71 | 59 | 43 | 30 | 55 |
| Avg Precip (In.) | 1.3 | .95 | 1.94 | 2.67 | 2.92 | 3.76 | 3.49 | 3.73 | 3.34 | 2.42 | 2.14 | 1.39 | 30.04 |