Climate of Milwaukee Climate of Milwaukee Milwaukee has a humid continental climate (Köppen climate classification "Dfa"), with four distinct seasons and wide variations in temperature and precipitation in short periods of time. The city's climate is also strongly influenced by nearby Lake Michigan, which creates two varying climates within the Milwaukee area. The Urban heat island effect also plays a role in the city's climate, insulating it from winter cold, but keeping it cooler in spring and summer. Milwaukee has a continental climate with wide variations in temperatures over short periods, especially in spring and autumn. The warmest month is July, when the
Milwaukee budget and its 2.5-mile route, which includes a lakefront spur connecting the line to the proposed $122 million, 44-story Couture. Construction on the Milwaukee Streetcar began March 2017, with initial operation by mid-2018. The Lakefront service is expected to start operation by 2019. Northwestern Mutual Tower and Commons stands 550 feet tall and has 32 stories, making it the second tallest building in Milwaukee. The Fiserv Forum, a new multipurpose arena between N. Fourth Street and N. Sixth Street from W. Highland Ave. to W. Juneau Ave., has been built to accommodate the Milwaukee Bucks. Construction began in November 2015.