SnowOdds

76 winters, day by day

Mont Tremblant Resort, Canada. Every ski winter from 1950/51 to 2025/26.

Painting of Mont Tremblant Resort
Average winter
2.0 m80 in
Snowiest winter
3.0 m119 in
Leanest winter
1.2 m46 in
Powder days a winter
3

Every day of every winter

Each row is a winter, oldest at the top. Each column is a day, from the start of the season to the end. The darker the blue, the more snow fell that day.

Loading the daily snowfall…

Winter total
1950/511960/611970/711980/811990/912000/012010/112020/21
New snow in a day
1 cm0.4 in3 cm1 in7 cm3 in15 cm6 in30 cm12 in50 cm20 in

Climate change

One stripe per winter, 1950/51 to 2025/26. Blue winters were colder than this resort’s average, red ones warmer.

Average winter temperature at the summit

Faster warming than 8% of 736 resorts

+1.2°C+2.2°F

The trend: from -10°C14°F to -9°C17°F. Point at a winter to read it.

-12°10°-10°14°-8°18°-6°21°

Snowfall at the summit

+5%

The trend: from 2.0 m78 in to 2.1 m82 in. Point at a winter to read it.

1.0 m39 in1.5 m59 in2.0 m79 in2.5 m98 in3.0 m118 in

Powder days at the summit

+1 day

The trend: from 2 to 3. Point at a winter to read it.

02468

Days with a base at the summit

−15 days

The trend: from 123 to 107. Point at a winter to read it.

50100150

Days with fresh snow at the summit

+1 day

The trend: from 50 to 51. Point at a winter to read it.

40506070

Each dot is one winter. The curve is a running average over about ten winters; the dotted line is the straight trend through all of them, and the changes above are measured along it. One winter is weather; the trend is climate.

Then and now

Then 1950/51–1979/80Now 1996/97–2025/26

Snowfall at the summit+2%

Then

2.0 m80 in

Now

2.1 m82 in

Snowfall in the village+2%

Then

2.0 m80 in

Now

2.1 m82 in

Powder days at the summit±0 days

Then

3

Now

3

Days with a base at the summit−11 days

Then

122

Now

111

Average temperature at the summit+1.0°C+1.7°F

Then

-10°C15°F

Now

-9°C17°F

Averages per winter over the first and last 30 winters. A powder day brings 10 cm4 in or more of new snow; a base is 30 cm12 in or more on the ground.

Records

Most snow in a day
32 cm13 in
Snowiest winter
3.0 m119 in
Leanest winter
1.2 m46 in
Deepest snow on the ground
131 cm52 in
Coldest night at the summit
-42°C-43°F
Strongest gust at the summit
122 km/h76 mph

All winters

Modelled weather from ERA5 and ERA5-Land, not measured on the slopes. Snow depth is the average over a grid cell about 9 km wide, so it can differ a lot from what the piste report says. How SnowOdds works