Barrie Snowfall Totals & Snowstorm Averages
This page pulls together information on when, how much and how often Barrie, Ontario has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Barrie usually gets. There are also monthly and yearly counts of the days that Barrie normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when the city can expect its first and last snowfalls of the season.
All the numbers are long-term historical averages based on weather data gathered from 1981 to 2010 in Barrie near Centennial Park on the shore of Lake Simcoe.
How Often it Snows in Barrie
This first table lists monthly and yearly totals for amount of snow and how many days it snows at least 0.2 centimetres (0.08 inches).
When Barrie Has Its First & Last Snowfalls
The first snowfall of winter for Barrie usually arrives in November, but can show up as early as October.
The season's last snowfall typically happens in March or April, although in some years a late snow lands in May.
Barrie is normally free of snow every year from June to September.
How Many Snowstorms Barrie Gets
Most days of snowfall in Barrie leave less than five centimetres (2 inches) of fresh snow on the ground. For 17 days a year on average, the amount of new snow totals at least five cm.
Big snowstorms of over ten cm a day normally occur six times a year. But major blizzards that dump 25 cm or more in one day are rare events that don't happen every year. Storms this severe are most likely to appear in February.
How Much Snow Normally Accumulates in Barrie
For about 101 days a year, Barrie has at least a centimetre of snow on the ground. In mid-winter the snowpack averages around 17 cm deep.
Generally the snow cover begins to build in November. Snow mainly accumulates in Barrie during December and January. Deep snow lingers through February. Melting occurs in March and by early April the snow is mostly gone.
Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.
Environment Canada. National Climate Data and Information Archive. Canadian Climate Normals or Averages 1971-2000.