Climate
Milwaukee's location in the Great Lakes Region means that it often has rapidly changing weather, and the city experiences the full range of the seasons throughout the year. The warmest month of the year is July, when the average high temperature is 82°F (28°C), with overnight low temperatures averaging 66°F (19°C); January is the coldest month, with high temperatures averaging 27°F (-3°C), with the overnight low temperatures around 13°F (-11°C). Of the 50 largest cities in the United States, Milwaukee has the second-coldest average annual temperature, next to that of Minneapolis.
Milwaukee's proximity to Lake Michigan causes a convection current to form mid-afternoon, resulting in the so-called lake effect, causing the temperatures to be warmer in the winter than regions farther from the lake, and cooler in the summer. "Cooler near the lake" is practically boilerplate language for local meteorologists during the spring and summer. Some local stations began tagging CNTL (Cooler Near The Lake) onto their weekly forecasts. Also, more snow falls in Milwaukee than surrounding areas, due to the lake effect. The lake causes relative humidity in the summer that is far higher than that of comparable cities at the same latitude, meaning that it feels hotter than the actual temperature.
Milwaukee's all-time record high temperature is 105°F (41°C) set on July 17, 1995. The coldest temperature ever experienced by the city was -26°F (-32°C) on both January 17, 1982, and February 4, 1996. The 1982 event, also known as Cold Sunday, featured temperatures as low as -40°F (-40°C) in some of the suburbs as little as 10 miles (16km) to the north of Milwaukee, although the city itself did not approach such cold temperatures.
In Milwaukee, the wettest month is August, due to frequent thunderstorms. These can at times be dangerous and damaging, bringing hail and high winds. In rare instances, it can bring a tornado to the more inland parts of the city. However, almost all summer rainfall in the city is brought by these storms. In spring and fall, longer events of prolonged, lighter rain bring most of the precipitation. Snow commonly falls in the city from early November until the middle of March, although it has been recorded as early as September 23, and as late as May 31. The city receives an average of 47.0 inches (1.19m) of snow in winter, but this number is highly variable. In 2000, 49.5 inches (1.26m) of snow fell solely in the month of December.
Environmental organization SustainLane ranked Milwaukee, along with Mesa, Arizona, the least likely to suffer natural disasters, in a study of 50 U.S. cities measuring the risk of a natural disaster striking the city. The study used the possibilities of "hurricanes, major flooding, catastrophic hail, tornado super-outbreaks, and earthquakes" as criteria.
(Source: Wikipedia.org)
