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Snow Report, 17 December 2025

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By Nye Erskine, Updated

Chamonix is feeling properly settled into winter now. The valley has that familiar cold bite in the mornings, the high peaks are fully white again, and there is a noticeable lift in atmosphere around town as more lifts and sectors come into play. After a steady build through early December, snow cover at altitude is now starting to look more reliable, and there is a growing sense that the season is beginning to find its rhythm.

Snow and Weather Summary

Current snow depths across the Chamonix valley vary significantly with altitude. Up high, around the Grands Montets and Aiguille du Midi sectors, snow depths are sitting at roughly 140 to 160 centimetres, providing a solid base for early season skiing. Lower down in the valley, snow cover remains thinner, with around 20 to 30 centimetres reported near village level, so coverage there is still patchy in places. Over the past few days Chamonix has seen light but regular snowfall, adding a few fresh centimetres at altitude. Looking ahead, the forecast suggests another small snowfall of around 5 to 10 centimetres later this week, mainly affecting higher elevations. Temperatures remain cold, with daytime highs at altitude staying below freezing and overnight lows dropping to around minus 8 to minus 10 degrees. The freezing level has been hovering between 1200 and 1500 metres, dipping lower overnight, which is helping preserve snow quality. Winds have generally been light to moderate, strongest on exposed ridges but not enough to significantly impact lift operations.

Outlook & What’s On

The weather outlook for the coming week remains encouraging, with cold conditions set to continue and no major warm spells on the horizon. This should allow the existing snowpack to consolidate further and gradually improve skiing conditions, especially on north facing slopes. In resort, the build up to Christmas is well underway, with festive markets, seasonal events and torchlight descents beginning to appear in the calendar. Preparations are also in place for the upcoming holiday period, when the valley traditionally becomes busier both on and off the slopes. If the forecast snowfall arrives as expected, conditions should continue to improve steadily through the second half of the week.

Snow Takeaway

Chamonix is shaping up nicely for mid December skiing, particularly at higher elevations where snow cover is now solid and improving. The best conditions remain on upper mountain terrain, while lower runs still require a bit of care. With cold temperatures and more snow in the forecast, the overall picture is moving in the right direction for the days ahead.

Scroll down to see live forecasts, lift status, links to webcams and above for real time photos from Chamonix. We will be updating this snow report page every Thursday so check back in with us next week to see how the pistes are doing and what you can expect from the snow forecast for the next seven days.

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If you are in Chamonix this week we want to see your images especially videos of what you have been up to. When you post to Facebook or Instagram please tag us @SeeChamonix #SeeChamonix. Every week we will be posting our favourite videos and images here and sharing on our social media along with our weekly resort snow report.

We will see you out on the pistes very soon.

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Chamonix hosts a wide range of sporting events throughout the year. The biggest ones include the Mont Blanc Marathon in June and the UTMB trail running race in August. In March, the Unlimited Festival brings ravers to the mountains while Musilac Mont Blanc takes place a month later. At the end of July, the Cosmo Jazz Festival hosts concerts all around the valley.

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