Decorah, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decorah averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Decorah. The US average is 205 sunny days.
Decorah gets some kind of precipitation, on average, 106 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.
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 40 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Decorah is 6.7 (10=best), which means it is less comfortable than most places in Iowa.
6.7 / 10
June, August and September are the most pleasant months in Decorah, while January and December are the least comfortable months.