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Weather extremes
How extreme does South Milwaukee's weather get?
The hottest, coldest, wettest and snowiest days South Milwaukee has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days South Milwaukee has recorded — each shown against what a normal day that time of year looks like.
That is about 21°F hotter than a normal July afternoon in South Milwaukee (typical high near 80°F).
The three most extreme on record
About 38°F colder than a normal January night in South Milwaukee (typical low near 16°F).
The three most extreme on record
More rain in a single day than South Milwaukee usually gets in the whole month of September (typical September total about 3.3 in).
The three most extreme on record
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
South Milwaukee's record heat sits well above even a hot day for the season — July's 101°F is about 21°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at MT Mary College (NOAA GHCN station USC00475474), about 23 km from the city centre.