The climate in 50240 Saint Charles, IA is typically mild and pleasant throughout the year. Summers are warm with temperatures typically reaching into the 80s, and winters are relatively cold with temperatures typically dropping to the 20s. Rainfall is fairly evenly distributed throughout all four seasons, with the amount of precipitation increasing as you move towards winter months. The area also experiences some snowfall during the winter months but overall it does not experience severe weather such as hurricanes or tornadoes.
Saint Charles (zip 50240), Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Saint Charles (zip 50240) averages 28 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 Saint Charles (zip 50240). The US average is 205 sunny days.
Saint Charles (zip 50240) gets some kind of precipitation, on average, 95 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 11
Rain: averages 36 inches of rain a year
Snow: averages 28 inches of snow a year