51010 Castana, IA has a humid continental climate with four distinct seasons throughout the year. In the spring and fall, temperatures usually range from mild to cool, while summer days are generally hot and humid with occasional thunderstorms. Winters are cold with plenty of snowfall. The area receives an average of 38 inches of precipitation annually, which is spread out over the year.
Castana (zip 51010), Iowa gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castana (zip 51010) averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Castana (zip 51010). The US average is 205 sunny days.
Castana (zip 51010) gets some kind of precipitation, on average, 81 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 9
Rain: averages 31 inches of rain a year
Snow: averages 29 inches of snow a year