Palmyra, MO has a humid continental climate with hot summers and cold winters. There is significant precipitation throughout the year with snow occurring in the winter months. Summers are generally warm and moderately humid, while winters can be very cold with periods of snowfall and occasional blizzards. Palmyra experiences all four seasons to some degree, although temperatures rarely dip below freezing for extended periods of time during any season. The average temperature ranges from the mid-20s in winter to the high-80s in summer.
Palmyra, Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Palmyra averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Palmyra. The US average is 205 sunny days.
Palmyra 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 87 degrees
Winter Low: the January low is 18
Rain: averages 39 inches of rain a year
Snow: averages 12 inches of snow a year