Buchanan, MO has a humid subtropical climate with hot, humid summers and mild winters. June is the warmest month with an average temperature of 79°F and January is the coldest month with an average temperature of 32°F. The area gets roughly 48 inches of rain annually, which makes it relatively wet compared to other areas in Missouri. Snowfall is generally light in Buchanan, averaging about 11 inches per year.
Buchanan, Missouri gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Buchanan averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Buchanan. The US average is 205 sunny days.
Buchanan gets some kind of precipitation, on average, 102 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 86 degrees
Winter Low: the January low is 14
Rain: averages 41 inches of rain a year
Snow: averages 18 inches of snow a year