Swea City, IA has a humid continental climate with cold winters and hot, humid summers. The average temperature in the winter months is around 20 degrees Fahrenheit, while the summer months are usually in the mid 70s to low 80s. Precipitation is fairly evenly distributed throughout the year with an average of about 26 inches per year. Snowfall averages around 31 inches annually, and this snowfall is often concentrated in the early spring months.
Swea City, Iowa gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Swea City averages 38 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Swea City. The US average is 205 sunny days.
Swea City gets some kind of precipitation, on average, 89 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 83 degrees
Winter Low: the January low is 5
Rain: averages 32 inches of rain a year
Snow: averages 38 inches of snow a year