SnowOdds

76 winters, day by day

Evolène, Switzerland. Every ski winter from 1950/51 to 2025/26.

Evolène
Painting of Evolène
Average winter
4.2 m167 in
Snowiest winter
6.2 m244 in
1994/95
Leanest winter
2.5 m97 in
1956/57
Powder days a winter
11

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 61% of 736 resorts

+2.3°C+4.1°F

The trend: from -11°C13°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 4.3 m171 in to 4.1 m163 in. Point at a winter to read it.

3.0 m118 in4.0 m157 in5.0 m197 in6.0 m236 in

Powder days at the summit

±0 days

The trend: from 10 to 11. Point at a winter to read it.

05101520

Days with a base at the summit

−6 days

The trend: from 177 to 171. Point at a winter to read it.

140150160170180

Days with a base in the village

−9 days

The trend: from 171 to 162. Point at a winter to read it.

140160180

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−5%

Then

4.3 m169 in

Now

4.1 m161 in

Snowfall in the village−13%

Then

3.3 m130 in

Now

2.9 m114 in

Powder days at the summit±0 days

Then

10

Now

10

Days with a base at the summit−3 days

Then

176

Now

172

Days with a base in the village−6 days

Then

170

Now

164

Average temperature at the summit+1.3°C+2.3°F

Then

-10°C14°F

Now

-9°C16°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
21 March 1971
Snowiest winter
6.2 m244 in
1994/95
Leanest winter
2.5 m97 in
1956/57
Deepest snow on the ground
319 cm126 in
27 March 1978
Coldest night at the summit
-38°C-36°F
8 January 1985
Strongest gust at the summit
162 km/h100 mph
27 February 1990

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