76 winters, day by day
Hiihtokeskus Ukkohalla, Finland. Every ski winter from 1950/51 to 2025/26.
Hiihtokeskus Ukkohalla, Finland. 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 88% of 736 resorts
+3.0°C+5.3°F
The trend: from -9°C16°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
+4%
The trend: from 1.5 m59 in to 1.6 m62 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 0 to 0. Point at a winter to read it.
Days with a base at the summit
−26 days
The trend: from 151 to 125. Point at a winter to read it.
Days with fresh snow at the summit
+1 day
The trend: from 49 to 50. 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
1.5 m60 in
Now
1.6 m61 in
- Snowfall in the village+1%
Then
1.6 m63 in
Now
1.6 m64 in
- Powder days at the summit±0 days
Then
0
Now
0
- Days with a base at the summit−20 days
Then
148
Now
128
- Average temperature at the summit+1.8°C+3.2°F
Then
-8°C17°F
Now
-6°C20°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
- 1950s1950/511.7 m65 in1951/521.9 m73 in1952/531.6 m63 in1953/541.3 m50 in1954/551.8 m70 in1955/561.1 m45 in1956/571.2 m46 in1957/581.2 m46 in1958/591.4 m57 in1959/601.1 m42 in
- 1960s1960/611.9 m73 in1961/621.8 m71 in1962/631.0 m40 in1963/641.6 m64 in1964/651.8 m71 in1965/661.2 m48 in1966/671.7 m66 in1967/681.4 m54 in1968/691.4 m54 in1969/701.7 m67 in
- 1970s1970/712.0 m80 in1971/721.3 m51 in1972/731.9 m75 in1973/741.7 m65 in1974/752.2 m88 in1975/761.6 m63 in1976/771.8 m72 in1977/781.3 m50 in1978/791.4 m54 in1979/801.3 m50 in
- 1980s1980/811.9 m73 in1981/821.7 m66 in1982/831.9 m76 in1983/841.6 m63 in1984/851.3 m51 in1985/861.1 m44 in1986/871.3 m49 in1987/881.4 m55 in1988/891.9 m76 in1989/901.4 m55 in
- 1990s1990/911.4 m53 in1991/921.7 m68 in1992/931.9 m74 in1993/941.4 m54 in1994/951.8 m72 in1995/961.0 m41 in1996/972.0 m78 in1997/981.5 m58 in1998/991.2 m48 in1999/001.9 m75 in
- 2000s2000/011.4 m56 in2001/021.3 m52 in2002/031.3 m52 in2003/041.3 m53 in2004/051.3 m51 in2005/061.3 m50 in2006/071.5 m60 in2007/082.0 m78 in2008/091.3 m52 in2009/101.3 m52 in
- 2010s2010/111.1 m42 in2011/121.6 m64 in2012/131.2 m47 in2013/141.6 m65 in2014/152.0 m79 in2015/161.7 m66 in2016/171.7 m66 in2017/181.7 m69 in2018/191.4 m56 in2019/202.4 m93 in
- 2020s2020/211.7 m67 in2021/221.7 m67 in2022/231.8 m71 in2023/241.9 m74 in2024/251.3 m51 in2025/261.1 m42 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