Historical Christmas snowfall data
Will your Christmas be white and snowy?
Check the Environment and Climate Change Canada weather forecast. Since the weather forecast covers the next seven days, you can get the forecast for Christmas Day starting on December 19.
For those who can't wait, Environment and Climate Change Canada has analyzed 63 years of weather records for 45 major centres across Canada, and calculated the probability of having a white snow-covered Christmas Day.
The following table charts the amount of snowfall recorded for major cities across Canada from 1955-2017. From this, a probability can be made to determine if a white Christmas will occur for the current year.
| City | % Chance 1955-2017 |
% Chance now 1994-2017 |
% Chance before 1965-1984 |
Change in frequency over 30 yr (%) |
Perfect Christmas 1955-2007 |
Snow depth now 1994-2017 |
Snow depth past 1965-1984 |
Change in snow depth over 30 yr (cm) |
Number of green Christmases 1986-2017 |
Number of green Christmases 1955-1985 |
|---|---|---|---|---|---|---|---|---|---|---|
| Brandon | 94 | 95 | 95 | 0 | 28 | 16 | 12 | 4 | 3 | 1 |
| Barrie* | 74 | 65 | n/a | n/a | n/a | 18 | n/a | n/a | n/a | n/a |
| Buttonville** | 56 | 55 | n/a | n/a | n/a | 6 | n/a | n/a | n/a | n/a |
| Calgary | 59 | 60 | 70 | -10 | 4 | 5 | 5 | 0 |
14 | 12 |
| Charlottetown | 78 | 55 | 90 | -35 | 48 | 8 | 15 | -7 | 11 | 3 |
| Edmonton | 87 | 85 | 100 | -15 | 20 | 12 | 17 | -5 | 6 | 2 |
| Fredericton | 76 | 50 | 85 | -35 | 30 | 7 | 22 | -16 | 12 | 3 |
| Goose Bay | 98 | 95 | 100 | -5 | 53 | 42 | 64 | -22 | 1 | 0 |
| Grand Prairie | 86 | 80 | 100 | -20 | 26 | 17 | 23 | -6 | 7 | 2 |
| Halifax | 54 | 40 | 65 | -25 | 24 | 2 | 9 | -7 | 19 | 10 |
| Hamilton | 62 | 65 | 65 | 0 | 26 | 7 | 5 | 2 | 12 | 12 |
| Iqaluit | 100 | 100 | 100 | 0 | 51 | 17 | 20 | -3 | 0 | 0 |
| Kamloops | 52 | 55 | 55 | 0 | 25 | 5 | 11 | -6 | 16 | 14 |
| Kelowna | 63 | 55 | 75 | -20 | 26 | 5 | 8 | -3 | 14 | 9 |
| Kenora | 100 | 100 | 100 | 0 | 43 | 21 | 31 | -10 | 0 | 0 |
| Kitchener-Waterloo | 69 | 55 | 73 | -18 | 45 | 7 | 9 | -2 | 9 | 4 |
| Lethbridge | 51 | 50 | 55 | -5 | 6 | 6 | 5 | 1 | 16 | 15 |
| London | 68 | 55 | 80 | -25 | 33 | 8 | 9 | -1 | 12 | 8 |
| Medicine Hat | 57 | 55 | 75 | -20 | 17 | 4 | 6 | -2 | 16 | 11 |
| Moncton | 73 | 65 | 80 | -15 | 40 | 9 | 21 | -12 | 10 | 7 |
| Montreal | 76 | 70 | 85 | -15 | 25 | 8 | 17 | -9 | 9 | 6 |
| Ottawa | 81 | 75 | 85 | -10 | 35 | 19 | 18 | 1 | 6 | 6 |
| Prince George | 92 | 90 | 100 | -10 | 40 | 15 | 20 | -5 | 4 | 1 |
| Penticton | 32 | 30 | 35 | -5 | 11 | 3 | 4 | -1 | 22 | 21 |
| Quebec | 97 | 90 | 100 | -10 | 60 | 25 | 45 | -20 | 2 | 0 |
| Regina | 90 | 90 | 95 | -5 | 38 | 13 | 14 | -1 | 4 | 2 |
| Saint John | 60 | 45 | 70 | -25 | 36 | 4 | 12 | -8 | 16 | 9 |
| Sarnia | 59 | 40 | 85 | -45 | 19 | 4 | 7 | -3 | 20 | 6 |
| Saskatoon | 94 | 85 | 100 | -15 | 22 | 10 | 12 | -2 | 4 | 0 |
| St. John's | 65 | 65 | 50 | 15 | 24 | 8 | 9 | -1 | 10 | 12 |
| Sault Ste Marie*** | 89 | 85 | 95 | -10 | 69 | 17 | 24 | -7 | 5 | 1 |
| Stephenville | 81 | 70 | 90 | -20 | 64 | 15 | 22 | -7 | 9 | 3 |
| Sudbury | 94 | 90 | 100 | -10 | 46 | 17 | 21 | -4 | 3 | 1 |
| Sydney | 59 | 45 | 65 | -20 | 46 | 5 | 9 | -4 | 16 | 10 |
| Thunder Bay | 97 | 95 | 100 | -5 | 38 | 11 | 23 | -12 | 2 | 0 |
| Timmins | 98 | 95 | 100 | -5 | 46 | 26 | 48 | -22 | 1 | 0 |
| Toronto City | 46 | 45 | 50 | -5 | 9 | 5 | 4 | 1 | 20 | 14 |
| Toronto (GTA) | 52 | 45 | 65 | -20 | 13 | 5 | 5 | 0 | 18 | 12 |
| Vancouver | 10 | 10 | 5 | 5 | 4 | 3 | 1 | 2 | 27 | 29 |
| Victoria | 11 | 15 | 5 | 10 | 6 | 2 | 0 | 2 | 27 | 29 |
| Whitehorse | 100 | 100 | 100 | 0 | 27 | 18 | 28 | -10 | 0 | 0 |
| Wiarton | 81 | 75 | 90 | -15 | 54 | 14 | 18 | -4 | 7 | 5 |
| Windsor | 46 | 55 | 50 | 5 | 4 | 4 | 3 | 1 | 19 | 15 |
| Winnipeg | 98 | 100 | 100 | 0 | 11 | 15 | 12 | 3 | 1 | 0 |
| Yellowknife | 100 | 100 | 100 | 0 | 27 | 26 | 24 | 2 | 0 | 0 |
| Averages | 73% | 68% | 79% | 11% | 31% | 11 | 16 | -5 | 10 | 7 |
* Data has a shorter period: 1980-2015
** Data has a shorter period: 1986-2015
*** Data has a shorter period: 1961-2015
Definitions
- % Chance: probability of a white Christmas (snow on the ground of 2 cm or more on Christmas morning at 7 a.m. EST) for full period of 63 years
- % Chance now: for children today based on period 1996-2017
- % Chance before: for parents today when they were children based on period 1965-1984
- Perfect Christmas: snow on the ground of 2 cm or more on Christmas morning and snow in the air sometime Christmas day, i.e., a measurable snowfall on Christmas based on period 1955-2007
- Snow depth now: average depth of snow on the ground (cm) on Christmas morning from 1994 to 2017
- Snow depth past: average depth of snow on the ground (cm) on Christmas morning from 1965 to 1984
- Number of green Christmases: for the 31-year period 1986-2017 inclusive
- Number of green Christmases: for the 32-year period 1955-1985 inclusive
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