Palmyra, MO has a warm and humid continental climate with hot summers and cold winters. The temperature generally ranges from an average low of 45°F to an average high of 75°F. Summer temperatures are often warm and humid with occasional heat waves. Winters tend to be very cold, with temperatures dipping below freezing on some nights. Precipitation in Palmyra is distributed throughout the year, but usually peaks during the spring months. Snowfall is minimal each winter and the area receives around 42 inches of rain annually.
Palmyra (zip 63461), Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Palmyra (zip 63461) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Palmyra (zip 63461). The US average is 205 sunny days.
Palmyra (zip 63461) 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