Charter Oak, Iowa is located in the Midwest region of the United States and experiences a humid continental climate. Summers are hot and humid with temperatures typically reaching the mid-80s Fahrenheit (29°C) while winters are cold with temperatures usually dropping into the low 20s Fahrenheit (-6°C). The area receives an average of 35 inches (89 cm) of precipitation annually, with most of it coming in spring and summer as rainfall. Snowfall occurs throughout winter, but total accumulation is generally moderate due to the warm weather during this season. Charter Oak has an overall temperate climate that makes it enjoyable for living and visiting year-round.
Charter Oak, Iowa gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Charter Oak averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 216 sunny days per year in Charter Oak. The US average is 205 sunny days.
Charter Oak gets some kind of precipitation, on average, 88 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 10
Rain: averages 31 inches of rain a year
Snow: averages 33 inches of snow a year