La Rosière, France. 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 50% of 736 resorts
+2.1°C+3.8°F
The trend: from -11°C13°F to -9°C16°F. Point at a winter to read it.
Snowfall at the summit
−5%
The trend: from 5.7 m224 in to 5.4 m213 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 18 to 18. Point at a winter to read it.
Days with a base at the summit
−3 days
The trend: from 171 to 168. Point at a winter to read it.
Days with a base in the village
−4 days
The trend: from 170 to 166. 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−6%
Then
5.6 m222 in
Now
5.3 m209 in
- Snowfall in the village−14%
Then
2.8 m110 in
Now
2.4 m94 in
- Powder days at the summit−1 day
Then
18
Now
17
- Days with a base at the summit−2 days
Then
171
Now
169
- Days with a base in the village−3 days
Then
170
Now
167
- Average temperature at the summit+1.2°C+2.1°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
All winters
- 1950s1950/516.6 m259 in1951/525.4 m212 in1952/535.0 m196 in1953/543.4 m135 in1954/557.0 m277 in1955/564.1 m161 in1956/573.6 m141 in1957/586.2 m244 in1958/594.9 m194 in1959/605.8 m228 in
- 1960s1960/615.0 m198 in1961/626.3 m247 in1962/636.1 m238 in1963/643.0 m118 in1964/654.6 m182 in1965/668.8 m348 in1966/676.5 m255 in1967/685.0 m197 in1968/695.6 m221 in1969/709.1 m359 in
- 1970s1970/714.1 m163 in1971/724.3 m169 in1972/734.5 m176 in1973/744.9 m191 in1974/756.0 m235 in1975/763.3 m131 in1976/777.2 m284 in1977/788.0 m313 in1978/796.6 m259 in1979/808.1 m319 in
- 1980s1980/815.9 m231 in1981/827.5 m296 in1982/836.9 m272 in1983/846.2 m245 in1984/854.6 m182 in1985/866.4 m254 in1986/876.0 m237 in1987/887.1 m281 in1988/894.6 m182 in1989/905.5 m215 in
- 1990s1990/914.3 m169 in1991/924.7 m186 in1992/934.4 m174 in1993/946.7 m263 in1994/958.2 m321 in1995/963.8 m149 in1996/975.8 m228 in1997/984.8 m190 in1998/996.7 m263 in1999/005.9 m233 in
- 2000s2000/016.7 m263 in2001/024.1 m163 in2002/034.8 m190 in2003/045.3 m209 in2004/053.9 m152 in2005/064.9 m194 in2006/074.7 m183 in2007/086.0 m234 in2008/094.7 m187 in2009/104.8 m189 in
- 2010s2010/113.1 m122 in2011/125.8 m228 in2012/136.5 m256 in2013/144.7 m187 in2014/154.7 m183 in2015/165.8 m226 in2016/173.9 m155 in2017/187.9 m313 in2018/195.8 m229 in2019/206.9 m272 in
- 2020s2020/214.7 m184 in2021/224.8 m189 in2022/235.1 m200 in2023/247.1 m279 in2024/254.9 m194 in2025/264.6 m182 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