Carter Lake, IA has a humid continental climate with four distinct seasons. Summers in Carter Lake are hot and humid with average temperatures reaching into the mid-80s Fahrenheit. Winters can be cold and snowy, with average temperatures dropping to the mid-20s Fahrenheit. Spring can bring thunderstorms and hail while fall is mild with pleasant weather that transitions into winter. Precipitation is moderate throughout the year, with rain occurring on about half of all days.
Carter Lake, Iowa gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Carter Lake averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Carter Lake. The US average is 205 sunny days.
Carter Lake gets some kind of precipitation, on average, 93 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 31 inches of rain a year
Snow: averages 26 inches of snow a year