De Kalb, MO has a humid continental climate with hot summers and cold winters. The average temperature in the summer is in the mid-80s with high humidity levels, while the average winter temperatures can be as low as the 20s. The area sees approximately 40 inches of rain per year and around 18 inches of snowfall annually. Winters tend to have more snow than rain, while summers bring frequent thunderstorms and showers during the afternoon hours.
De Kalb (zip 64440), Missouri gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
De Kalb (zip 64440) averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 216 sunny days per year in De Kalb (zip 64440). The US average is 205 sunny days.
De Kalb (zip 64440) gets some kind of precipitation, on average, 97 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 87 degrees
Winter Low: the January low is 18
Rain: averages 37 inches of rain a year
Snow: averages 19 inches of snow a year