Showing this resort's typical peak window · closest airport GVA — adjust above
lively
Resort dossier
Chamonix-Mont-Blanc
FR·Haute-Savoie
Weeks 53–3
Typically -10.0°C · 37cm fresh / week · powder day 63% · mixed 36%
Top elev.
3842m
Base elev.
1035m
Pistes
170km
Lifts
46
Piste mix41km mapped
Green12%
Blue25%
Red30%
Black31%
Other2%
COMPOSITE SCORE
68
Snow84
Typically 150cm
Typical depth150cm
119cm182cm
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 25 winters of weather data, modelled at ~2522m (not the village). Any single year can be very different.
Typically stormy, around -10.0°C, with 37cm of fresh snow over the week. Powder days hit 63% 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
63%
of years see 10cm+
Rain at base
1.5 days
per week
Storm
49%
of years
Bluebird
15%
of years
Thaw
0%
of years
Mixed
36%
of years
Climatology
What a season here looks like
Each track shows the typical range across 25 winters. The marker shows where your selected weeks sit.
Reliability60cm+
100%
Depth
165cm
Temperature
-10.0°C
Fresh snow
37cm
Snow line
896m
Wind
10.7 m/s
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Transfers
Transfers
| Airport | Drive | Train |
|---|---|---|
| Geneva (GVA) | 78 min | 150 min |
Method & sources
The composite score weights snow reliability against the historical baseline, pulls in live conditions where available, then adjusts for how much hassle the trip actually is for your group.
- 01ERA5-Land hourly grid → daily SWE & snow depth at the resort cell.
- 02Bias-correct against ground stations (SLF / Météo-France nivôse).
- 03Build per-week climatological percentile · 35 winters.
- 04Anomaly = current week vs. cell's own 30-year baseline.
- 05Snow-sure read at the highest-snow cell within ~15km. When most resorts are bare, ranking shifts toward this, surfacing glaciers in shoulder seasons.
- 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