Cincinnati Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Cincinnati, Ohio has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Cincinnati 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 Cincinnati 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 downtown Cincinnati at the city's Municipal Lunken Airport.
How Often it Snows in Cincinnati
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 Cincinnati's snowfall varies from year to year.
In December, for instance, one in four years totals over 3.7 inches of snow. But at least another 25 percent of years receive no snow for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 4.3 inches, while the lightest years get less than 0.2 inches.
Snow in February ranges from over 4.6 inches in heavy snowfall years to under half an inch in light years.
When Cincinnati Has Its First & Last Snowfalls
Cincinnati's first snowfall of winter usually arrives in December. But about one in four Decembers have no snow. Snow in November or October can happen, but these are unusual events, occurring roughly once or twice a decade.
The season's last snowfall typically happens in March, yet again close to one-quarter of years receive no fresh snow during March. In some unusual years an April snow flurry drops a dusting of snow over the city.
Cincinnati is normally free of snow every year from May to September.
How Many Snowstorms Cincinnati Gets
Most days of snowfall in Cincinnati result in just a skiff of less than an inch left on the ground. On four days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day are rare events that don't appear every winter. Major blizzards that dump ten inches or more are not at all normal for Cincinnati.
How Much Snow Normally Accumulates in Cincinnati
For about one-tenth of winter days, Cincinnati has at least an inch of snow on the ground.
The city averages two days a year when the snow depth builds to five inches or more. In most years though, the snowpack never accumulates over ten inches.
NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)