Madison County, IA enjoys a humid continental climate with cold, snowy winters and hot summers. Average winter temperatures range from 20-30 degrees Fahrenheit, while average summer temperatures range from 70-80 degrees Fahrenheit. The county typically sees around 30 inches of rain per year, and receives an average of 40 inches of snowfall each winter. Summer months bring moderate levels of sunshine and humidity to the area. The county is also affected by seasonal changes in wind speed and pattern throughout the year, which can cause drastic weather shifts in a short period of time.
Madison County, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Madison County averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Madison County. The US average is 205 sunny days.
Madison County gets some kind of precipitation, on average, 94 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 85 degrees
Winter Low: the January low is 12
Rain: averages 36 inches of rain a year
Snow: averages 29 inches of snow a year