Polk County, MO has a temperate climate with four distinct seasons. Summers tend to be warm and humid with temperatures reaching an average of 86 degrees in July and August. Winters are cold with temperatures typically falling to an average of 37 degrees in December and January. Spring and fall bring mild weather with temperatures ranging from the 40s to the 70s. The area is known for its frequent rainfall; as such, there are plenty of opportunities for outdoor activities throughout the year.
Polk County, Missouri gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Polk County averages 11 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Polk County. The US average is 205 sunny days.
Polk County gets some kind of precipitation, on average, 96 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 89 degrees
Winter Low: the January low is 21
Rain: averages 46 inches of rain a year
Snow: averages 11 inches of snow a year