Milwaukee's location in the Great Lakes Region often has rapidly changing weather, producing a humid continental climate (Köppen "Dfa"), with cold, windy, snowy winters, and warm, humid summers. The warmest month of the year is July, when the 24-hour average is 71.8 °F (22.1 °C), while January is the coldest month, with a 24-hour average of 22.3 °F (−5.4 °C).