Mercer, MO has a humid continental climate with warm summers and moderately cold winters. The average high temperature during July is around 87掳F (30掳C) while the average low temp in January is around 16掳F (-9掳C). Precipitation levels are generally quite moderate throughout the year, averaging around 38 inches annually with some areas receiving up to 44 inches of rain. There is an average of 124 days of precipitation per year in Mercer as well. Snowfall is common in the area with an average of 18 inches falling annually.
Mercer, Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mercer averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Mercer. The US average is 205 sunny days.
Mercer gets some kind of precipitation, on average, 106 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 39 inches of rain a year
Snow: averages 22 inches of snow a year