PeakWindow/Chamonix-Mont-Blanc
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Showing this resort's typical peak window · closest airport GVA — adjust above
Resort dossier

Chamonix-Mont-Blanc

FR·Haute-Savoie
livelyBackcountry / off-pisteExpert terrainGlacier skiing
Weeks 53–3

Typically -10.0°C · 33cm fresh / week · powder day 60% · mixed 36%

Top elev.
3842m
Base elev.
1035m
Pistes
170km
Lifts
46
Piste mix41km mapped
Green12%
Blue25%
Red30%
Black31%
Other2%
Chamonix-Mont-Blanc
Wikimedia
COMPOSITE SCORE
68
Snow84
Typically 152cm
Typical depth152cm
123cm179cm
Travel57
From your origin
Size80
Piste km, discounted for linked-area connectivity
Fit50
Vibe, terrain, activities
What to expect

What to expect in weeks 1–53

Based on 29 winters of weather data, modelled at ~2522m (not the village). Any single year can be very different.

Typically stormy, around -10.0°C, with 33cm of fresh snow over the week. Powder days hit 60% of the time. Other weeks run mixed.

Icy mornings
0.1 days/week
spring-like in 0% of years
Snow texture
Powdery
soft, easy turns
Typical wind
10.7 m/s
peaks to 31 m/s
Typical Freezing level
896 m
0°C isotherm
Powder days
60%
of years see 10cm+
Rain at base
1.5 days
per week
Storm
47%
of years
Bluebird
16%
of years
Thaw
0%
of years
Mixed
36%
of years
Climatology

What a season here looks like

Each track shows the typical range across 29 winters. The marker shows where your selected weeks sit.

Reliability60cm+
100%
Depth
164cm
Temperature
-10.0°C
Fresh snow
33cm
Snow line
897m
Wind
10.7 m/s
Trend · 76 winters

The snow has held. The air has not.

Chamonix-Mont-Blanc's typical base has sat near 151cm since 1950, and a good winter still beats a bad one by 158cm, far more than any decade here differs from another. The winter freezing level has climbed 41m a decade.

148cm
160cm
158cm
160cm
154cm
136cm
147cm
139cm
1950–1959
1960–1969
1970–1979
1980–1989
1990–1999
2000–2009
2010–2019
2020–2025
Winter to winter
82–240cm

Across single winters (1953–54 to 1974–75).

Typical base
−10cm

1950–1959 to 2020–2025. The Haute-Savoie region moved −21cm.

Freezing level
+41m

Per decade. 1287m in 1950–1959, 1602m now.

Calibrated reanalysis, 1950–2025. Bars are each winter's mean base, rules each decade's mean. 2020–2025 holds 6 winters, not ten. Every figure here averages a full season, so none of them will match the readings for your chosen weeks above.

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Transfers

Transfers

AirportDriveTrain
Geneva (GVA)78 min150 min
Method & sources

We weigh snow reliability against this resort's own history, add live conditions where we have them, then adjust for how hard the trip is for your group.

  1. 01ERA5-Land hourly grid → daily SWE & snow depth at the resort cell.
  2. 02Bias-correct against ground stations (SLF / Météo-France nivôse).
  3. 03Build per-week climatological percentile · 30 winters.
  4. 04Anomaly = current week vs. cell's own 30-year baseline.
  5. 05Snow-sure read at the highest-snow cell within ~15km. When most resorts are bare, ranking shifts toward this, surfacing glaciers in shoulder seasons.
  6. 06Weight + rank against your origin & vibe profile.
Sources

Snow data sources

Ground stations the score is based on.

  • LE TOUR BALMEmeteofrance
  • LA FLEGEREmeteofrance
  • Lognanmeteofrance
  • CHAMONIX-OBSmeteofrance