Derby, IA is located in an area with humid continental climate, which means that it is one of the four types of climatic regions in the world characterized by large seasonal temperature differences and significant precipitation. Summers are generally hot and humid, while winters tend to be cold and snowy. Spring and autumn can be mild or cool depending on the year. Precipitation is fairly regular throughout the year, with snowfall occurring during winter months. Overall, Derby has a moderate climate with long hot summers and cold winters.
Derby (zip 50068), Iowa gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Derby (zip 50068) averages 25 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 Derby (zip 50068). The US average is 205 sunny days.
Derby (zip 50068) gets some kind of precipitation, on average, 107 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 12
Rain: averages 39 inches of rain a year
Snow: averages 25 inches of snow a year