Winthrop, IA has a typical Midwestern climate with hot and humid summers, cold winters, and moderate precipitation throughout the year. During the summer months temperatures can reach into the mid-80s Fahrenheit with high levels of humidity making it feel even hotter. The winter months are much colder and temperatures can drop below freezing at times. Winthrop also sees moderate amounts of precipitation throughout the year, mostly in the form of rain but snowfall is common during the winter months too.
Winthrop, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Winthrop averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Winthrop. The US average is 205 sunny days.
Winthrop 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 83 degrees
Winter Low: the January low is 7
Rain: averages 37 inches of rain a year
Snow: averages 32 inches of snow a year