Grinnell, KS has a mild climate, with an average temperature of 54°F in the winter and 79°F in the summer. The area experiences occasional droughts due to its semi-arid climate, but also sees heavy rainfall during the summer months. Winters are generally mild, though snowfall is not uncommon. In terms of weather patterns, Grinnell experiences lightning storms in the spring and fall with an occasional tornado in the warmer months. Overall, Grinnell enjoys warm summers and mild winters with occasional precipitation throughout the year.
Grinnell (zip 67738), Kansas gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grinnell (zip 67738) averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 259 sunny days per year in Grinnell (zip 67738). The US average is 205 sunny days.
Grinnell (zip 67738) gets some kind of precipitation, on average, 61 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 91 degrees
Winter Low: the January low is 16
Rain: averages 20 inches of rain a year
Snow: averages 22 inches of snow a year