Duncombe, IA has a humid continental climate with noticeable seasonal temperature variations. Summers are generally warm and humid, while winters tend to be cold but still relatively mild compared to other areas of the United States. On average, temperatures in the summer reach highs in the mid-80s Fahrenheit and lows in the upper 50s Fahrenheit, while winter temperatures range from highs in the upper 20s or low 30s Fahrenheit to lows around 0 degrees Fahrenheit. Precipitation is plentiful throughout the year with an average of 30 inches annually.
Duncombe, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Duncombe averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Duncombe. The US average is 205 sunny days.
Duncombe gets some kind of precipitation, on average, 99 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 83 degrees
Winter Low: the January low is 8
Rain: averages 36 inches of rain a year
Snow: averages 33 inches of snow a year