Mount Vernon, IN 47620 has a humid continental climate, with warm summers and cold winters. The average annual temperature is around 51°F (11°C), with the average high temperature in the summer reaching around 78°F (26°C) and the average low temperature in winter dropping to 24°F (-4°C). Precipitation is spread fairly evenly throughout the year, with an average of 45 inches (114 cm) of rain annually. Snowfall amounts vary from year to year but usually range between 10-20 inches (25-50 cm) total.
Mount Vernon (zip 47620), Indiana gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Vernon (zip 47620) averages 9 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Mount Vernon (zip 47620). The US average is 205 sunny days.
Mount Vernon (zip 47620) gets some kind of precipitation, on average, 108 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 89 degrees
Winter Low: the January low is 26
Rain: averages 46 inches of rain a year
Snow: averages 9 inches of snow a year