South Milwaukee, WI Weather & Climate Normals
South Milwaukee's real weather, in one number
South Milwaukee, WI scores 49/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
South Milwaukee's hottest and coldest months
South Milwaukee's hottest month is Jul, averaging 73°F; its coldest is Jan, averaging 23°F, a 49.4°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in South Milwaukee
Over a typical year, South Milwaukee sees about 36.58in of precipitation a year across roughly 131 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where South Milwaukee ranks
South Milwaukee ranks 2122 of 4876 US cities in this dataset for comfort score, and 6 of 157 within WI. About 20,233 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from SOUTH MILWAUKEE WWTP, WI US, 1.0 miles from South Milwaukee, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated