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Sullivan, WI Climate
1991 to 2020 normals at Sullivan 3se, 3.5 mi from the center of Sullivan, elevation 933 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 27° | 11° | 1.68 in | 13.2 in | |
| February | 31° | 14° | 1.78 in | 11.7 in | |
| March | 43° | 24° | 2.13 in | 6.3 in | |
| April | 56° | 35° | 3.85 in | 2.4 in | |
| May | 69° | 46° | 4.25 in | 0.0 in | |
| June | 78° | 56° | 4.90 in | 0.0 in | |
| July | 82° | 60° | 4.11 in | 0.0 in | |
| August | 80° | 59° | 3.97 in | 0.0 in | |
| September | 73° | 51° | 3.47 in | 0.0 in | |
| October | 60° | 40° | 2.95 in | 0.4 in | |
| November | 45° | 28° | 2.35 in | 3.2 in | |
| December | 33° | 17° | 2.08 in | 13.5 in | |
| Year | 56° | 37.52 in | 50.7 in |
Frequently asked questions
- What is the hottest month in Sullivan, WI?
- July is the warmest month, with a normal high of 82°F at Sullivan 3se.
- What is the coldest month in Sullivan, WI?
- January is the coldest month, with a normal low of 11°F.
- What is the wettest month in Sullivan, WI?
- June has the most precipitation on average, about 4.90 inches.