Indianapolis Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Indianapolis, Indiana has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Indianapolis usually gets. There are also monthly and yearly counts of the days that the city normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when Indianapolis can expect the first and last snowfalls of the season.
All the numbers are averages, based on weather data gathered from 1981 to 2010 at the Indianapolis International Airport.
How Often it Snows in Indianapolis
This first table lists monthly and yearly totals for amount of snow and how many days it snows at least 0.1 inches (0.25 centimetres).
These averages don't show how much the snowfall in Indianapolis varies from year to year.
In December, for instance, one in four years totals over 10.8 inches of snow. Another 25 percent of years receive less than 2.6 inches for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 12.8 inches, while the lightest years get less than 3.2 inches.
New snow for February ranges from over 9.3 inches in heavy snowfall years to under 2.6 inches in light years.
When Indianapolis Has Its First & Last Snowfalls
The first snowfall of winter for Indianapolis usually arrives in November, although at least one in four years have no snow in November. Very rarely, it snows in October.
The season's last snowfall typically happens in March. It can snow in April, but snow this late is an unusual event.
Indianapolis is normally free of snow every year from May to September.
How Many Snowstorms Indianapolis Gets
Most days of snowfall in Indianapolis leave just a skiff, amounting to less than an inch, of fresh snow on the ground. For eight days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day usually occur once a year. But major blizzards that dump ten inches or more in one day are not at all normal for the city.
How Much Snow Normally Accumulates in Indianapolis
For about one-quarter of winter days, Indianapolis has at least an inch of snow on the ground.
Snow mostly accumulates during January and February. Typically, on two or three days in January and in February, plus another couple of days in December the snow covering Indianapolis gets to five or more inches deep. Seldom though does the snowpack top ten inches.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.