Buchanan County, MO has a humid continental climate with hot and humid summers and cold winters. Average high temperatures in the summer months range between 80°F to 90°F, while winter temperatures typically average between 40°F and 50°F. Rainfall averages around 39.7 inches per year, with April being the wettest month. Snowfall is possible during the winter months but usually only amounts to around 10 inches annually.
Buchanan County, Missouri gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Buchanan County averages 17 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 Buchanan County. The US average is 205 sunny days.
Buchanan 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 87 degrees
Winter Low: the January low is 18
Rain: averages 37 inches of rain a year
Snow: averages 17 inches of snow a year