Louisville Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Louisville, Kentucky has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Louisville usually gets. There are also monthly and yearly counts of the days that Louisville normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when Louisville 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 long-term historical averages based on weather data gathered from 1981 to 2010 at the Louisville International Airport.
How Often it Snows in Louisville
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 Louisville varies from year to year.
In December, for instance, one in four years totals over four inches of snow. Another 25 percent of years receive less than half an inch for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 5.1 inches, while the lightest years get less than 0.9 inches.
New snow for February ranges from over 6.4 inches in heavy snowfall years to under 0.8 inches in light years.
When Louisville Has Its First & Last Snowfalls
The first snowfall of winter for Louisville usually arrives in December. Sometimes November and even October get a little snow.
The snow season most often ends in March. But the last snowfall can land as early as February or as late as April.
Louisville is normally free of snow every year from May to September.
How Many Snowstorms Louisville Gets
Most days of snowfall in Louisville leave just a skiff, amounting to less than an inch, of fresh snow 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 don't occur every year. Major blizzards that dump ten inches or more in one day are not at all normal here.
How Much Snow Normally Accumulates in Louisville
For most winter days, Louisville has little, if any, snow on the ground.
Snow accumulates mainly during January and February. Typically, on one or two days a year, the snow covering Louisville gets to five 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. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)