Erie Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Erie, Pennsylvania has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Erie 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 Erie can expect the first and last snowfalls of the season.
All the numbers are averages, based on climate data gathered from 1981 to 2010 at Erie International Airport.
How Often it Snows in Erie
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 Erie's snowfall varies from year to year.
In December, for instance, one in four years totals over 34.7 inches of snow. Another 25 percent of years receive 17 inches or less for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 37.6 inches, while the lightest years get less than 16.4 inches.
Snow in February ranges from over 27.7 inches in heavy snowfall years to under 9.3 inches in light years.
When Erie Has Its First & Last Snowfalls
Erie's first snowfall of winter usually arrives in November, but occasionally a little snow shows up in October.
The season's last snowfall typically happens in April.
Erie is normally free of snow every year from May to September.
How Many Snowstorms Erie Gets
About half the days with snowfall in Erie result in just a skiff of less than an inch left on the ground. For 28 days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day normally occur five times a year. But major blizzards that dump ten inches or more in one day are rare events, happening on average about once a year. Snowstorms this severe have shown up in Erie during the months of November to March.
How Much Snow Normally Accumulates in Erie
For about two-thirds of winter days, Erie has at least an inch of snow on the ground.
Snow mostly accumulates during January and February. Typically, on four days in January and another three or four in February, the snow covering Erie gets to ten or more inches deep. The snow depth also tops ten inches for usually a day or two in December and in March.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.