51535 Griswold, IA is located in the Midwest region of the United States and experiences a humid continental climate with long and cold winters and hot, humid summers. The average high in July reaches into the low- to mid-80s while the average low in January drops below zero. Precipitation is fairly consistent year round, with annual amounts ranging between 30-40 inches per year. Snowfall is significant during winter months, averaging around 25 inches annually. Overall, Griswold has a pleasant climate with four distinct seasons and plenty of sunshine throughout the year.
Griswold (zip 51535), Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Griswold (zip 51535) averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 215 sunny days per year in Griswold (zip 51535). The US average is 205 sunny days.
Griswold (zip 51535) 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 86 degrees
Winter Low: the January low is 11
Rain: averages 36 inches of rain a year
Snow: averages 28 inches of snow a year