Marthasville, MO enjoys a moderate climate with all four seasons. Summers are typically hot and humid with temperatures reaching the high 80s, while winters are generally mild with temperatures averaging in the low 40s. The area receives an average of 44 inches of rain per year as well as some light snowfall in the winter months. Spring and fall tend to be temperate and enjoyable, characterized by warm days and cool nights.
Marthasville, Missouri gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Marthasville averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Marthasville. The US average is 205 sunny days.
Marthasville gets some kind of precipitation, on average, 107 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 88 degrees
Winter Low: the January low is 21
Rain: averages 44 inches of rain a year
Snow: averages 12 inches of snow a year