The climate in Madison, United States, is temperate. The average temperature in Madison is 20 degrees Celsius (68 degrees Fahrenheit). Madison experiences four distinct seasons: spring, summer, fall, and winter. Spring and fall are generally mild, with average temperatures ranging from 10-15 degrees Celsius (50-59 degrees Fahrenheit). Summer temperatures in Madison can reach up to 30 degrees Celsius (86 degrees Fahrenheit), with occasional thunderstorms. Winter temperatures in Madison can dip below freezing, with occasional snowfall.