Zionsville, IN has a humid continental climate with warm summers and cold winters. The average annual temperature is around 53°F (12°C). During the summer months, temperatures can reach up to 87°F (30°C) and in the winter months temperatures can drop as low as 13°F (-11 °C). Rainfall is fairly evenly distributed throughout the year with an average of 43 inches annually. Snowfall typically begins in November and usually ends by March. Additionally, Zionsville experiences moderate levels of humidity throughout the year.
Zionsville, Indiana gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Zionsville averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 187 sunny days per year in Zionsville. The US average is 205 sunny days.
Zionsville gets some kind of precipitation, on average, 123 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 85 degrees
Winter Low: the January low is 20
Rain: averages 42 inches of rain a year
Snow: averages 23 inches of snow a year