Moline Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Moline, Illinois has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Moline usually gets. There are also monthly and yearly counts of the days that Moline normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when Moline can expect the first and last snowfalls of the season.
The first set of monthly snow totals are averages for 2010 to 2019. All the other numbers are 30-year averages, based on climate data gathered from 1991 to 2020 near the Quad City International Airport. Snow depth data are for 1981 to 2010.
How Often it Snows in Moline
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 Moline's snowfall varies from year to year.
In December, for instance, one in four years totals over 13.8 inches of snow. Another 25 percent of years receive less than 2.7 inches for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 14.8 inches, while the lightest years get 5.6 inches or less.
Snow in February ranges from over 16 inches in heavy snowfall years to under 2.4 inches in light years.
When Moline Has Its First & Last Snowfalls
Moline's first snowfall of winter usually arrives in November, although at least one in four years don't see snow until December.
Over the long-term Moline has averaged nearly an inch of snow during April. But in most years April has no snow and the season's last snowfall typically arrives in March.
Moline is normally free of snow every year from May to September.
How Many Snowstorms Moline Gets
Most days of snowfall in Moline result in just a skiff of less than an inch left on the ground. On an average of 11 days a year, at least an inch of snow lands in one day.
Snowstorms of over five inches a day normally occur just once or twice a year. Major blizzards that dump ten inches or more in one day are rare events that show up on average once a decade.
How Much Snow Normally Accumulates in Moline
For about half of winter days, Moline has at least an inch of snow on the ground.
Snow mostly accumulates during January. Typically, on one day in January and sometimes for another day in February, the snow covering Moline gets 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.