beta

This weekend

Portes du Mont-Blanc

France · Haute-Savoie

  • Elevation: 1,031–1,925 m
  • Slopes: 85.8 km
  • Lifts: 24

Run 01/11/2026

7 days

  1. Sun 01/11closedrisk of lift closuresReliability: high
  2. Mon 02/11closedReliability: high
  3. Tue 03/11closedReliability: medium
  4. Wed 04/11closedReliability: medium
  5. Thu 05/11closedReliability: medium
  6. Fri 06/11closedReliability: low
  7. Sat 07/11closedReliability: low

Summit / Valley

  • Summit · 1,925 m
  • Valley · 1,031 m
7 daysSun01/11Mon02/11Tue03/11Wed04/11Thu05/11Fri06/11Sat07/11
Scoreaverage of mountain and valley–––––––
Sunh8–11 h: Sunny11–14 h: Sunny14–17 h: SunnySummit 4.7Valley 4.88–11 h: Sunny11–14 h: Sunny14–17 h: SunnySummit 4.5Valley 4.88–11 h: Sunny11–14 h: Sunny14–17 h: SunnySummit 4.8Valley 58–11 h: Sunny11–14 h: Sunny14–17 h: SunnySummit 4.5Valley 5.18–11 h: Sunny11–14 h: Sunny14–17 h: SunnySummit 4Valley 3.98–11 h: Overcast11–14 h: Partly cloudy14–17 h: Partly cloudySummit 2.8Valley 2.78–11 h: Partly cloudy11–14 h: Partly cloudy14–17 h: Partly cloudySummit 3.4Valley 3.4
Fresh snowcmSummit 0Valley 0Summit 0Valley 0Summit 0Valley 0Summit 0Valley 0Summit 0Valley 0Summit 0Valley 0Summit 0Valley 0
Windkm/hSummit 16Valley 10Summit 4Valley 6Summit 4Valley 3Summit 3Valley 2Summit 4Valley 2Summit 4Valley 5Summit 5Valley 4
Temperature°CSummit 8–11 h 2Summit 11–14 h 3Summit 14–17 h 2Valley 7Summit 8–11 h −1Summit 11–14 h 1Summit 14–17 h 0Valley 4Summit 8–11 h 1Summit 11–14 h 4Summit 14–17 h 3Valley 7Summit 8–11 h 2Summit 11–14 h 5Summit 14–17 h 5Valley 9Summit 8–11 h 4Summit 11–14 h 7Summit 14–17 h 7Valley 10Summit 8–11 h 4Summit 11–14 h 5Summit 14–17 h 4Valley 9Summit 8–11 h 5Summit 11–14 h 8Summit 14–17 h 7Valley 12
Data: Summit · 1,925 m · Valley · 1,031 m

Summit · 1,925 m

Portes du Mont-BlancSun
01/11		Mon
02/11		Tue
03/11		Wed
04/11		Thu
05/11		Fri
06/11		Sat
07/11
Scoreclosedclosedclosedclosedclosedclosedclosed
Sun in the morning67%65%69%64%57%31%49%
Sun in the afternoon67%65%69%64%57%45%49%
Sun4.7 h4.5 h4.8 h4.5 h4 h2.8 h3.4 h
Fresh snow0 cm0 cm0 cm0 cm0 cm0 cm0 cm
Snow depth0 cm0 cm0 cm0 cm0 cm0 cm0 cm
Wind16 km/h4 km/h4 km/h3 km/h4 km/h4 km/h5 km/h
Wind gusts75 km/h19 km/h14 km/h11 km/h12 km/h16 km/h19 km/h
Temperature−3 / 4°C−4 / 2°C−3 / 4°C−2 / 6°C−1 / 8°C0 / 6°C0 / 9°C
Visibility> 10 km> 10 km> 10 km> 10 km> 10 km> 10 km> 10 km

Valley · 1,031 m

Portes du Mont-BlancSun
01/11		Mon
02/11		Tue
03/11		Wed
04/11		Thu
05/11		Fri
06/11		Sat
07/11
Scoreclosedclosedclosedclosedclosedclosedclosed
Sun in the morning53%68%72%71%56%31%49%
Sun in the afternoon79%68%72%74%56%45%49%
Sun4.8 h4.8 h5 h5.1 h3.9 h2.7 h3.4 h
Fresh snow0 cm0 cm0 cm0 cm0 cm0 cm0 cm
Snow depth0 cm0 cm0 cm0 cm0 cm0 cm0 cm
Wind10 km/h6 km/h3 km/h2 km/h2 km/h5 km/h4 km/h
Wind gusts27 km/h12 km/h17 km/h13 km/h8 km/h19 km/h18 km/h
Temperature1 / 9°C−1 / 6°C0 / 10°C0 / 11°C0 / 13°C4 / 10°C4 / 14°C
Visibility> 10 km> 10 km> 10 km> 10 km> 10 km> 10 km> 10 km

When to go

3 best weeks from 01/11 · combined

  1. W12 · 22/03–28/03MarchCombined 87Sunny days: 4.7 d/wkSnow reliability: 100% of winters · reliableCrowds (estimate): 1/5 · estimate

  2. W15 · 12/04–18/04AprilCombined 86Sunny days: 4.5 d/wkSnow reliability: 100% of winters · reliableCrowds (estimate): 1/5 · estimate

  3. W14 · 05/04–11/04AprilCombined 85Sunny days: 4.3 d/wkSnow reliability: 100% of winters · reliableCrowds (estimate): 1/5 · estimate

Season 2026/27: sun · snow · crowds

Ø across winters by week · crowds = estimate · vertical line = run 01/11

Sunny days per week
Snow reliability (≥ 30 cm)
Crowds 1–5 (estimate)
Data by week
WeekSunny daysSnow reliabilityCrowdsCombined
W49 · 30/11–06/122.2 d/wk100% of winters1/5 quiet73
W50 · 07/12–13/122.7 d/wk100% of winters1/5 quiet75
W51 · 14/12–20/121.7 d/wk74% of winters2/5 light54
W52 · 21/12–27/122.9 d/wk72% of winters3/5 moderate55
W53 · 28/12–03/012.4 d/wk76% of winters3/5 moderate54
W1 · 04/01–10/011.8 d/wk79% of winters2/5 light57
W2 · 11/01–17/011.4 d/wk89% of winters1/5 quiet64
W3 · 18/01–24/013.1 d/wk98% of winters1/5 quiet77
W4 · 25/01–31/012.7 d/wk100% of winters1/5 quiet75
W5 · 01/02–07/021.4 d/wk100% of winters1/5 quiet68
W6 · 08/02–14/023.4 d/wk100% of winters3/5 moderate69
W7 · 15/02–21/023 d/wk100% of winters3/5 moderate67
W8 · 22/02–28/023.4 d/wk100% of winters3/5 moderate69
W9 · 01/03–07/033.3 d/wk100% of winters2/5 light74
W10 · 08/03–14/033 d/wk100% of winters1/5 quiet77
W11 · 15/03–21/032.6 d/wk100% of winters1/5 quiet75
W12 · 22/03–28/034.7 d/wk100% of winters1/5 quiet87
W13 · 29/03–04/043.2 d/wk100% of winters1/5 quiet78
W14 · 05/04–11/044.3 d/wk100% of winters1/5 quiet85
W15 · 12/04–18/044.5 d/wk100% of winters1/5 quiet86
W16 · 19/04–25/044 d/wk100% of winters2/5 light78
W17 · 26/04–02/052.6 d/wk100% of winters1/5 quiet75

History: sunny days by month

Ø days per week · winters 2011/12–2025/26 · 10 years

MonthSunny days at the summitSunny days in the valleyBluebird daysGrey daysSnow ≥ 30 cm
December2.42.423.1100%
January2.10.50.23.1100%
February3.13.12.52.4100%
March3.43.42.82.3100%
April3.84.231.5100%

Links

Coming soon

  • Lifts in operation
  • Ski pass prices
  • Accommodation

Visitor ratings

Anonymous, from diaries (I was here); shown from 5 ratings per day. Strava is not counted. Add to diary