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Resort dossier
Gressoney-La-Trinité
IT·Valle d'Aosta◇Part of Monterosa Ski· 180km
Weeks 8–11
Typically -4.6°C · 20cm fresh / week · powder day 38% · mixed 62%
Top elev.
3275m
Base elev.
1635m
Pistes
180km
Lifts
38
Piste mix72km mapped
Green1%
Blue15%
Red63%
Black22%
COMPOSITE SCORE
61
Snow71
Typically 130cm
Typical depth130cm
100cm161cm
Travel48
From your origin
Size81
Linked-area piste-km
Fit50
Vibe, terrain, activities
What to expect
What to expect in weeks 8–11
Based on 40 winters of weather data, modelled at ~2369m (not the village). Any single year can be very different.
Typically mixed, around -4.6°C, with 20cm of fresh snow over the week. Powder days hit 38% of the time. Other weeks run stormy.
Icy mornings
3.1 days/week
spring-like in 41% of years
Snow texture
Settled
packed, predictable piste
Typical wind
1.8 m/s
peaks to 3 m/s
Typical Freezing level
1740 m
0°C isotherm
Powder days
38%
of years see 10cm+
Rain at base
2.5 days
per week
Storm
25%
of years
Bluebird
13%
of years
Thaw
1%
of years
Mixed
62%
of years
Climatology
What a season here looks like
Each track shows the typical range across 40 winters. The marker shows where your selected weeks sit.
Reliability60cm+
100%
Depth
130cm
Temperature
-4.6°C
Fresh snow
20cm
Snow line
1740m
Wind
1.8 m/s
Transfers
Transfers
| Airport | Drive | Train |
|---|---|---|
| Bern (BRN) | 252 min | |
| Geneva (GVA) | 206 min | |
| Milan Malpensa (MXP) | 139 min | |
| Turin (TRN) | 93 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.