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South Milwaukee, WI Climate

1991 to 2020 normals at South Milwaukee Wwtp, 1 mi from the center of South Milwaukee, elevation 650 ft.

Average weather by month

Select a month for daily normals and last year's weather

MonthRangeHighLowPrecip.Snow
January30°16°1.65 in--
February33°18°1.84 in--
March42°28°2.20 in--
April53°37°4.08 in--
May64°47°4.18 in--
June75°57°4.58 in--
July80°65°3.51 in--
August79°64°3.80 in--
September73°56°3.30 in--
October61°44°3.40 in--
November48°33°2.14 in--
December36°22°1.90 in--
Year56°36.58 in--

Frequently asked questions

What is the hottest month in South Milwaukee, WI?
July is the warmest month, with a normal high of 80°F at South Milwaukee Wwtp.
What is the coldest month in South Milwaukee, WI?
January is the coldest month, with a normal low of 16°F.
What is the wettest month in South Milwaukee, WI?
June has the most precipitation on average, about 4.58 inches.