SnowOdds

76 winters, day by day

Saint-Lary, France. Every ski winter from 1950/51 to 2025/26.

Painting of Saint-Lary
Average winter
3.1 m120 in
Snowiest winter
4.8 m189 in
Leanest winter
1.9 m74 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 54% of 736 resorts

+2.2°C+3.9°F

The trend: from -6°C22°F to -3°C26°F. Point at a winter to read it.

-6°21°-4°25°-2°28°

Snowfall at the summit

−10%

The trend: from 3.2 m127 in to 2.9 m113 in. Point at a winter to read it.

2.0 m79 in3.0 m118 in4.0 m157 in5.0 m197 in

Powder days at the summit

±0 days

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

0510

Days with a base at the summit

−62 days

The trend: from 135 to 73. Point at a winter to read it.

050100150200

Days with a base in the village

−43 days

The trend: from 86 to 43. 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−9%

Then

3.2 m127 in

Now

3.0 m116 in

Snowfall in the village−9%

Then

3.2 m127 in

Now

3.0 m117 in

Powder days at the summit±0 days

Then

6

Now

6

Days with a base at the summit−39 days

Then

128

Now

89

Days with a base in the village−29 days

Then

80

Now

51

Average temperature at the summit+1.3°C+2.4°F

Then

-5°C23°F

Now

-4°C25°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
40 cm16 in
Snowiest winter
4.8 m189 in
Leanest winter
1.9 m74 in
Deepest snow on the ground
170 cm67 in
Coldest night at the summit
-31°C-24°F
Strongest gust at the summit
145 km/h90 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