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.
All the numbers are averages, based on climate data gathered from 1981 to 2010 near the Quad City International Airport.
How Often it Snows in Moline
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 Moline's snowfall varies from year to year.
In December, for instance, one in four years totals over 14.6 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 13.4 inches, while the lightest years get five inches or less.
Snow in February ranges from over 10.3 inches in heavy snowfall years to under two 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. Just one-quarter of years get over 0.5 inches of snow that late in spring. The season's last snowfall typically happens in March.
Moline is normally free of snow every year from May to October.
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 ten days a year, at least an inch of snow lands in one day.
Snowstorms of over five inches a day normally occur just once a year. Major blizzards that dump ten inches or more in one day are essentially unheard of here.
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.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.