Grundy County, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grundy County averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Grundy County. The US average is 205 sunny days.
Grundy County gets some kind of precipitation, on average, 98 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 9
Rain: averages 36 inches of rain a year
Snow: averages 33 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Grundy County is 6.8 (10=best), which means it is about average compared to other places in Iowa.
6.8 / 10
June, September and August are the most pleasant months in Grundy County, while January and December are the least comfortable months.