Gary & Michigan City Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often the Gary — Michigan City area in Indiana has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that these cities along the south shore of Lake Michigan get. There are also monthly and yearly counts of the days that Gary and Michigan City normally have heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when the region can expect the first and last snowfalls of winter.
The first set of monthly snow totals are averages for 2008 to 2017. All the other numbers are averages, based on weather data gathered from 1991 to 2020 at a weather station located midway between Gary and Michigan City at the Indiana Dunes National Lakeshore.
How Often it Snows in Gary & Michigan City
The next two tables list 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 the Gary — Michigan City area varies from year to year.
In December, for instance, one in four years totals over 11.4 inches of snow. Another 25 percent of years receive less than 2.3 inches for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 22.6 inches, while the lightest years get less than 8.5 inches.
New snow for February ranges from over 15 inches in heavy snowfall years to under 3.5 inches in light years.
When Gary & Michigan City Have Their First & Last Snowfalls
The first snowfall of winter for the Gary — Michigan City area usually arrives in December. About once every three or four years, November also gets a light snowfall.
The season's last snowfall typically happens in March, although sometimes April sees a dusting of new snow.
Gary and Michigan City are normally free of snow every year from May to October.
How Many Snowstorms Gary & Michigan City Get
Just under half the days of snowfall in the Gary — Michigan City area leave just a skiff, amounting to less than an inch, of fresh snow on the ground. For 13 days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day usually occur a couple times a year on average. But major blizzards that dump ten inches or more in one day are seldom seen along Lake Michigan's Indiana shore, typically occurring just once a decade.
How Much Snow Normally Accumulates in Gary & Michigan City
For nearly half of winter days, the Gary — Michigan City area has at least an inch of snow on the ground.
Typically, on two days in each of January and February plus another day in December, the snow covering the cities builds up to ten or more inches deep.
Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.
NOAA National Centers for Environmental Information (NCEI). Climate Normals.