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Delafield, WI Climate
1991 to 2020 normals at Oconomowoc Wwtp, 5.9 mi from the center of Delafield, elevation 858 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 28° | 11° | 1.65 in | 11.1 in | |
| February | 32° | 14° | 1.61 in | 9.8 in | |
| March | 44° | 25° | 2.10 in | 4.8 in | |
| April | 56° | 36° | 3.86 in | 2.0 in | |
| May | 69° | 47° | 4.14 in | 0.2 in | |
| June | 78° | 57° | 4.86 in | 0.0 in | |
| July | 82° | 61° | 4.12 in | 0.0 in | |
| August | 81° | 60° | 4.17 in | 0.0 in | |
| September | 74° | 52° | 3.39 in | 0.0 in | |
| October | 61° | 40° | 2.83 in | 0.1 in | |
| November | 46° | 29° | 2.21 in | 1.4 in | |
| December | 34° | 18° | 1.87 in | 10.2 in | |
| Year | 57° | 36.81 in | 39.6 in |
Frequently asked questions
- What is the hottest month in Delafield, WI?
- July is the warmest month, with a normal high of 82°F at Oconomowoc Wwtp.
- What is the coldest month in Delafield, WI?
- January is the coldest month, with a normal low of 11°F.
- What is the wettest month in Delafield, WI?
- June has the most precipitation on average, about 4.86 inches.