NOAA NCEI Climate Normals 1991–2020
Wisconsin Weather by Month
Temperature, rain and the hurricane season at 158 Wisconsin stations, month by month.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
The median station records 34.4 inches of precipitation a year; Couderay 7 W, WI records the most, 40.3 inches, and Marshfield Municipal Airport, WI the least, 24.8 (1.6 times as much). July is the hottest month at the median station (average high 81°F); the hottest July is at Lake Geneva Wwtp, WI, 86°F. January is the coldest (average low 8°F); the coldest January nights are at Gordon, WI, 0°F. Highs reach 90°F on 7 days a year at the median station and on 21 at Lake Geneva Wwtp, WI, the most. Snowfall is heaviest at Hurley, WI, 155.0 inches a year.
This page compares the 1991–2020 NOAA climate normals of 158 Wisconsin weather stations, each the nearest station with full normals to at least one of the 416 Wisconsin cities on this site that have one within 25 miles.
At the median station, June is the wettest month (4.7 inches) and February the driest (1.2). Station by station, the wettest month is June at 138, July at 15 and August at 2 of the 158, and the driest January at 82 and February at 76. The gap between the wettest and driest station is widest in June: 2.9 inches.
Month by month across Wisconsin
High, low and precipitation are the median of the 158 stations; the station columns name the station with the highest average high, the lowest average low, and the most and least precipitation that month, each linked to the city page it serves. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Wisconsin cities and their stations
| City | Station | Miles | Hottest month high °F | Coldest month low °F | Year precip. in |
|---|---|---|---|---|---|
| Independence | Blair, WI | 14 | 81 | 4 | 35.6 |
How stations are matched to cities and what normals are: methodology · other states by month