Norwalk, IA is located in central Iowa and has a humid continental climate with hot summers and cold winters. Summers are typically hot and humid, with temperatures reaching into the mid-80s (°F). Winters tend to be cold and snowy with temperatures sometimes dropping below zero. Rainfall is distributed relatively evenly throughout the year, although May through August usually sees the highest average precipitation. Spring and autumn are generally mild, with temperatures ranging from 45–75 °F. Norwalk experiences a range of weather patterns, including thunderstorms, rain showers, hail, snow storms, and occasional ice storms.
Norwalk, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Norwalk averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Norwalk. The US average is 205 sunny days.
Norwalk gets some kind of precipitation, on average, 105 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 86 degrees
Winter Low: the January low is 13
Rain: averages 36 inches of rain a year
Snow: averages 31 inches of snow a year