Snow-sure?

How snow-sure is Val Thorens - Orelle?

At Val Thorens - Orelle, there was enough natural snow at Christmas in 30 of the 30 winters 1984/85–2013/14: at least 30 cm on 10 or more of the 14 days from 22 December to 4 January at mid-mountain (2,500 m; pistes 1,726–3,221 m). With snowmaking: 30 of 30. Climate models expect an average of 11.3 such Christmas days with natural snow there in 2041–2060 (RCP4.5), against 12.6 in 1986–2005. Source: Copernicus C3S, Savoie region.

Data: C3S UERRA reanalysis, winters 1984/85–2013/14; EURO-CORDEX scenarios to 2060 · calculated 3 November 2026 · Methodology and sources

30 of 30Snowy Christmases · natural snow
30 of 30Snowy Christmases · with snowmaking
177Days ≥ 30 cm per season · natural snow

More snowy Christmases than 88% of ski resorts in France and than 87% of the 690 European resorts on this site.

Christmas, year by year

1984/852013/14

Each box is one Christmas holiday (22 December to 4 January): the darker, the more days with at least 30 cm of natural snow. Outlined: at least 10 of the 14 days.

Christmases without enough natural snow (2,500 m): none.

Every winter in numbers
WinterDays ≥ 30 cm, natural snowDays ≥ 30 cm, with snowmaking
1984/8514 of 1414 of 14
1985/8614 of 1414 of 14
1986/8714 of 1414 of 14
1987/8814 of 1414 of 14
1988/8913 of 1414 of 14
1989/9014 of 1414 of 14
1990/9114 of 1414 of 14
1991/9214 of 1414 of 14
1992/9314 of 1414 of 14
1993/9414 of 1414 of 14
1994/9512 of 1414 of 14
1995/9614 of 1414 of 14
1996/9714 of 1414 of 14
1997/9814 of 1414 of 14
1998/9914 of 1414 of 14
1999/0014 of 1414 of 14
2000/0110 of 1414 of 14
2001/0214 of 1414 of 14
2002/0314 of 1414 of 14
2003/0414 of 1414 of 14
2004/0514 of 1414 of 14
2005/0614 of 1414 of 14
2006/0714 of 1414 of 14
2007/0814 of 1414 of 14
2008/0914 of 1414 of 14
2009/1014 of 1414 of 14
2010/1114 of 1414 of 14
2011/1214 of 1414 of 14
2012/1314 of 1414 of 14
2013/1414 of 1414 of 14

Bottom, middle, top

1,726 m22 of 302,474 m30 of 303,221 m–
Piste heights and Christmases with enough natural snow (of 30); light: snow-sure (≥ 25 of 30)
LevelmC3S height bandSnowy ChristmasesDays ≥ 30 cm per season
Bottom (lowest run)1,7261,70022 of 30124
Mid-mountain2,4742,50030 of 30177
Top (highest run)3,221no height band in the data––

The whole season

Days with ≥ 30 cm (average), Natural snow177
Days with ≥ 30 cm (average), With snowmaking202
Days with ≥ 5 cm of natural snow (average)200
Typical continuous snow cover ≥ 30 cm, Natural snow19 November – 18 May (Winters with a continuous cover: 30/30)
Typical continuous snow cover ≥ 30 cm, With snowmaking9 November – 31 May (Winters with a continuous cover: 30/30)

Christmases with enough natural snow: 15 of 15 in 1984/85–1998/99, 15 of 15 in 1999/2000–2013/14. Snow days (≥ 30 cm) per season on average: 181 and 172.

What about the future? Climate scenarios

PeriodChristmas, days naturalChristmas, days with snowmakingSeason, days naturalSeason, days with snowmaking
Models, reference
1986–2005
12.614.0175207
Scenario RCP4.5 (medium emissions)
2021–2040
11.913.7171203
Scenario RCP4.5 (medium emissions)
2041–2060
11.313.5158196
Scenario RCP8.5 (high emissions)
2021–2040
12.114.0162196
Scenario RCP8.5 (high emissions)
2041–2060
11.114.0146185

Average of several regional climate models (EURO-CORDEX). Compare the scenarios with the model reference 1986–2005, not with the yearly values above: models and reanalysis have different errors. Scenarios are not forecasts.

Same numbers as

The data describe a region and a 100 m height band, not individual runs. These resorts lie in the same region at the same mid-mountain band: Tignes - Val d'Isère, Val Thorens.

The resort

CountryFrance
Region (NUTS-3)Savoie (FRK27)
Pistes (OpenStreetMap)141 km
Pistes from … to1,726–3,221 m
Lifts33
MapOpenStreetMap

What the numbers mean

How we calculate