SnowOdds

76 winters, day by day

Seiser Alm - Mont de Sëuc - Alpe di Siusi, Italy. Every ski winter from 1950/51 to 2025/26.

Painting of Seiser Alm - Mont de Sëuc - Alpe di Siusi
Average winter
2.3 m90 in
Snowiest winter
5.3 m207 in
Leanest winter
1.1 m43 in
Powder days a winter
6

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 90% of 736 resorts

+3.0°C+5.4°F

The trend: from -7°C19°F to -4°C24°F. Point at a winter to read it.

-8°18°-6°21°-4°25°

Snowfall at the summit

−18%

The trend: from 2.5 m100 in to 2.1 m81 in. Point at a winter to read it.

1.0 m39 in2.0 m79 in3.0 m118 in4.0 m157 in5.0 m197 in

Powder days at the summit

−2 days

The trend: from 6 to 5. Point at a winter to read it.

051015

Days with a base at the summit

−45 days

The trend: from 154 to 109. Point at a winter to read it.

050100150200

Days with a base in the village

−63 days

The trend: from 131 to 69. Point at a winter to read it.

050100150

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−16%

Then

2.6 m101 in

Now

2.2 m85 in

Snowfall in the village−40%

Then

1.0 m40 in

Now

60.733 cm24 in

Powder days at the summit−1 day

Then

7

Now

5

Days with a base at the summit−31 days

Then

147

Now

116

Days with a base in the village−44 days

Then

122

Now

78

Average temperature at the summit+1.7°C+3.1°F

Then

-7°C20°F

Now

-5°C23°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
60 cm24 in
Snowiest winter
5.3 m207 in
Leanest winter
1.1 m43 in
Deepest snow on the ground
220 cm87 in
Coldest night at the summit
-38°C-37°F
Strongest gust at the summit
96 km/h59 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