Jasper Snowfall Totals & Accumulation Averages





This page pulls together information on when, how much and how often Jasper, Alberta has snow.

There are data and descriptions here of how many days it snows and the total amount of snowfall that Jasper usually gets. There are also monthly and yearly counts of the days that Jasper normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when the mountain resort town 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 at the Jasper townsite.

How Often it Snows in Jasper

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).

Average total snowfall and days with fresh snow in Jasper
Days   Inches Centi­metres
9.9 January 9.4 24
7.1 February 5.8 15
6.8 March 5.9 15
4.1 April 3.2 8
0.7 May 0.3 1
0.1 June 0.2 1
0.6 September 1.0 2
2.7 October 3.7 9
8.4 November 8.2 21
9.5 December 9.6 24
49.9 Year 47.3 120

When Jasper Has Its First & Last Snowfalls

The first snowfall of autumn for Jasper usually arrives in October, but it can snow as early as September or even August.

The season's last snowfall typically happens in April, although snow has been known to land in May or June.

Only in July can Jasper expect to not see any fresh flakes fall.

How Many Snowstorms Jasper Gets

Most days of snowfall in Jasper leave less than five centimetres (2 inches) of fresh snow on the ground. For six 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 twice 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 October or November.

Number of days per month and year on average in Jasper with a total snowfall of at least 5, 10 or 20 centimetres
  5 cm
2.0 inches
10 cm
3.9 inches
25 cm
9.8 inches
January 1.3 0.4 0.0
February 0.6 0.2 0.0
March 0.7 0.3 0.0
April 0.5 0.0 0.0
May 0.0 0.0 0.0
June 0.1 0.0 0.0
September 0.2 0.1 0.0
October 0.4 0.2 0.1
November 1.0 0.3 0.1
December 1.4 0.5 0.0
Year 6.2 2.0 0.1

How Much Snow Normally Accumulates in Jasper

For about 15 days, or one-third of the year, Jasper has at least a centimetre of snow on the ground. In mid-winter the snowpack averages 23 cm deep.

Average total days per month and year in Jasper with snow depth of at least 1, 5, 10 or 20 cm on the ground
1 cm
0.4 inches
5 cm
2.0 inches
  10 cm
3.9 inches
20 cm
7.9 inches
29.1 28.2 January 23.7 15.2
24.7 21.7 February 15.8 12.3
16.7 12.5 March 9.7 5.6
3.1 2.1 April 1.3 1.0
0.1 0.0 May 0.0 0.0
0.2 0.1 September 0.1 0.0
2.6 1.0 October 0.5 0.0
17.6 8.9 November 4.6 2.4
30.6 27.4 December 19.4 8.7
124.7 101.9 Year 75.1 45.3
Reference

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.

Alberta Snowfall
Back to Top