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 average high temperature is 81 °F (27 °C), and the overnight low is 63 °F (17 °C).[6] The coldest month is January, when the average high temperature is only 28 °F (-2 °C).[6] Low temperatures in January average 13 °F (-11 °C).[6]