St. Moritz, Switzerland. Every ski winter from 1950/51 to 2025/26.
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…
Climate change
Average winter temperature at the summit
Faster warming than 58% of 736 resorts
+2.2°C+4.0°F
The trend: from -14°C7°F to -12°C11°F. Point at a winter to read it.
Snowfall at the summit
−7%
The trend: from 4.0 m156 in to 3.7 m145 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 10 to 9. Point at a winter to read it.
Days with a base at the summit
−10 days
The trend: from 177 to 167. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 74 to 69. Point at a winter to read it.
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−3%
Then
3.9 m155 in
Now
3.8 m150 in
- Snowfall in the village−11%
Then
3.0 m118 in
Now
2.7 m105 in
- Powder days at the summit±0 days
Then
9
Now
9
- Days with a base at the summit−6 days
Then
176
Now
170
- Average temperature at the summit+1.3°C+2.3°F
Then
-13°C8°F
Now
-12°C10°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
All winters
- 1950s1950/516.4 m250 in1951/524.7 m183 in1952/533.1 m121 in1953/542.5 m100 in1954/553.9 m154 in1955/563.0 m119 in1956/572.2 m87 in1957/584.0 m156 in1958/593.3 m131 in1959/604.7 m184 in
- 1960s1960/614.1 m162 in1961/624.2 m165 in1962/633.8 m148 in1963/644.3 m169 in1964/653.1 m121 in1965/664.0 m159 in1966/674.7 m183 in1967/684.4 m174 in1968/693.2 m125 in1969/705.1 m200 in
- 1970s1970/713.8 m149 in1971/723.9 m153 in1972/732.8 m109 in1973/744.0 m156 in1974/755.0 m196 in1975/762.5 m98 in1976/775.7 m223 in1977/784.5 m177 in1978/794.1 m160 in1979/803.6 m142 in
- 1980s1980/812.8 m112 in1981/823.1 m122 in1982/834.5 m177 in1983/843.7 m146 in1984/853.8 m149 in1985/865.4 m212 in1986/873.3 m130 in1987/883.6 m143 in1988/894.0 m156 in1989/903.7 m147 in
- 1990s1990/913.6 m143 in1991/924.1 m160 in1992/932.8 m109 in1993/943.4 m135 in1994/953.7 m147 in1995/962.2 m85 in1996/974.1 m163 in1997/983.9 m152 in1998/994.1 m161 in1999/003.8 m150 in
- 2000s2000/017.1 m281 in2001/022.6 m100 in2002/034.7 m184 in2003/044.0 m156 in2004/052.4 m93 in2005/062.9 m114 in2006/072.7 m108 in2007/084.1 m163 in2008/094.9 m193 in2009/103.5 m138 in
- 2010s2010/113.1 m122 in2011/123.4 m135 in2012/134.4 m173 in2013/145.2 m204 in2014/154.4 m174 in2015/163.4 m132 in2016/173.2 m125 in2017/184.3 m169 in2018/194.0 m157 in2019/204.5 m179 in
- 2020s2020/213.7 m146 in2021/222.8 m108 in2022/232.7 m106 in2023/245.6 m219 in2024/252.7 m107 in2025/262.5 m100 in
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