Nozawa Onsen, Japan. 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 23% of 736 resorts
+1.7°C+3.0°F
The trend: from -5°C23°F to -3°C27°F. Point at a winter to read it.
Snowfall at the summit
−2%
The trend: from 4.2 m166 in to 4.1 m162 in. Point at a winter to read it.
Powder days at the summit
+1 day
The trend: from 7 to 8. Point at a winter to read it.
Days with a base at the summit
−11 days
The trend: from 143 to 132. Point at a winter to read it.
Days with a base in the village
−9 days
The trend: from 114 to 104. 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+1%
Then
4.1 m163 in
Now
4.2 m164 in
- Powder days at the summit+1 day
Then
7
Now
8
- Days with a base at the summit−5 days
Then
140
Now
134
- Days with a base in the village−4 days
Then
109
Now
105
- Average temperature at the summit+1.0°C+1.8°F
Then
-4°C24°F
Now
-3°C26°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
- 1950s1950/514.4 m174 in1951/525.3 m210 in1952/534.9 m194 in1953/543.7 m144 in1954/554.8 m188 in1955/565.0 m195 in1956/575.3 m209 in1957/583.1 m123 in1958/592.4 m95 in1959/604.0 m157 in
- 1960s1960/613.7 m146 in1961/623.9 m152 in1962/633.6 m141 in1963/644.0 m156 in1964/654.6 m179 in1965/664.6 m181 in1966/674.2 m167 in1967/684.0 m159 in1968/693.7 m147 in1969/704.0 m158 in
- 1970s1970/714.4 m172 in1971/723.6 m143 in1972/733.6 m143 in1973/745.1 m201 in1974/754.7 m185 in1975/763.7 m147 in1976/774.0 m157 in1977/784.7 m186 in1978/793.0 m119 in1979/804.2 m164 in
- 1980s1980/814.8 m187 in1981/824.4 m172 in1982/834.2 m164 in1983/845.4 m213 in1984/853.9 m152 in1985/864.7 m185 in1986/874.3 m170 in1987/883.8 m150 in1988/893.4 m135 in1989/903.1 m121 in
- 1990s1990/914.1 m162 in1991/923.5 m139 in1992/934.1 m161 in1993/944.1 m163 in1994/954.3 m167 in1995/965.2 m204 in1996/973.6 m140 in1997/983.7 m147 in1998/994.1 m163 in1999/004.5 m176 in
- 2000s2000/015.2 m204 in2001/023.8 m150 in2002/034.8 m187 in2003/043.4 m133 in2004/055.0 m198 in2005/065.4 m213 in2006/072.7 m106 in2007/084.2 m165 in2008/093.7 m146 in2009/104.0 m159 in
- 2010s2010/114.3 m168 in2011/125.2 m204 in2012/134.8 m187 in2013/145.0 m197 in2014/154.9 m194 in2015/163.1 m122 in2016/174.7 m185 in2017/183.7 m145 in2018/194.5 m178 in2019/203.3 m129 in
- 2020s2020/213.4 m134 in2021/224.2 m166 in2022/233.5 m139 in2023/243.9 m154 in2024/254.7 m186 in2025/263.6 m143 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