| 2023 Hardiness Zone: | 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: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 53b - Kettle Moraines | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 53185 - Waterford, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 15 | 25 | 36 | 46 | 56 | 61 | 60 | 51 | 39 | 28 | 17 | 37 |
| Avg Max Temp (°F) | 27 | 32 | 42 | 55 | 68 | 78 | 82 | 80 | 73 | 60 | 45 | 32 | 56 |
| Avg Precip (In.) | 1.54 | 1.3 | 2.28 | 3.62 | 3.21 | 4.04 | 3.85 | 4.33 | 3.39 | 2.47 | 2.63 | 1.87 | 34.55 |