| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | 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 53181 - Twin Lakes, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 15 | 25 | 36 | 46 | 56 | 61 | 60 | 51 | 40 | 29 | 17 | 37 |
| Avg Max Temp (°F) | 27 | 32 | 43 | 56 | 69 | 78 | 83 | 80 | 73 | 61 | 46 | 33 | 57 |
| Avg Precip (In.) | 1.71 | 1.41 | 2.35 | 3.71 | 3.44 | 4.1 | 3.89 | 4.33 | 3.44 | 2.52 | 2.74 | 2.07 | 35.72 |