Mount Vernon, AR has a humid subtropical climate, characterized by hot and humid summers with frequent thunderstorms. Winters are mild to cool, with some snowfall each year. The average annual temperature is 64°F (18°C). Precipitation is spread throughout the year but tends to be heaviest from April through September. During this time of year, afternoon thunderstorms offer relief from the heat and humidity. In addition, Mount Vernon receives an average of 57 inches (145 cm) of rain each year.
Mount Vernon, Arkansas gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Vernon averages 3 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 223 sunny days per year in Mount Vernon. The US average is 205 sunny days.
Mount Vernon gets some kind of precipitation, on average, 93 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 91 degrees
Winter Low: the January low is 25
Rain: averages 50 inches of rain a year
Snow: averages 3 inches of snow a year