Chamonix Snow Report and Forecast
Snow Forecast for Chamonix
This is the Snow Forecast for Chamonix, France for 16 days from 18 November.
Updated 18 November 2025 09:38 AEDT.
Forecast times for Chamonix are in Central European Time (Europe/Paris).
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Chamonix.
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In to see the full long-range snow forecast (out to 16 days, with more weather detail).
Chamonix Snow Forecast Highlights
When will there be fresh snow in Chamonix?
| Next Snow Expected | 20 November |
|---|---|
| Next Snow Amount | 8cm |
| Next 48 Hours | 8cm |
| Next 7 Days | 40cm |
| Find a Ski Instructor |
Forecast for today in Chamonix
Max 4℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 4℃
Temperature at BaseTemp at Base
Tue
18
Snow unlikely
Fair early, then clear sky later.
Chamonix has 8cm new snow forecast in the next 48 hours.
Chamonix Snow Report
| Snow Conditions | - |
|---|
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| Tue 18 | Wed 19 | Thu 20 | Fri 21 | Sat 22 | Sun 23 | Mon 24 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m | -13℃
| -11℃
| -20℃
 +8cm
| -23℃
 +1cm
| -15℃
| -8℃
+1cm
| -8℃
 +25cm
|
| S F2 | W F3 | ||||||
| 2,435m | -5℃
| -5℃
| -7℃
+8cm
| -9℃
+1cm
| -6℃
| 1℃
+1cm
| 1℃
+25cm
|
| 1,030m | 4℃
| 7℃
| 0℃
+2cm
| -1℃
+1cm
| 0℃
| 5℃
| 5℃
 |
| Snow Line | varying 1,079m | 1,030m | 1,559m | varying 1,739m | |||
| Max Town | 4℃ | 7℃ | 0℃ | -1℃ | 0℃ | 5℃ | 5℃ |
| Min Town | 0℃ | 0℃ | -4℃ | -7℃ | -8℃ | -4℃ | 0℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Chamonix Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 4℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 4℃
Temperature at BaseTemp at Base
Tue
18
Snow unlikely
Fair early, then clear sky later.
Max 7℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 7℃
Temperature at BaseTemp at Base
Wed
19
Snow unlikely
Clear sky, fair, cloudy later.
Max 0℃
Min -4℃
Valley temperatures from an overnight low of -4℃ to daytime highs around 0℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
20
2cm to 8cm New Snow
Clear spells first, light snow showers then cloudy, light snow later.
Snow Line from 1,079m to resort level.
Max -1℃
Min -7℃
Below freezing at all levels, with valley temperatures as low as -7℃ and not getting above -1℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
21
1cm New Snow
Light snow, clear spells, clear sky later.
Snow falling to resort level.
Max 0℃
Min -8℃
Below freezing at all levels, with valley temperatures as low as -8℃ and not getting above 0℃
Temperature at BaseTemp at Base
Sat
22
Snow unlikely
Clear sky, clear spells, cloudy later.
Max 5℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
23
up to 1cm New Snow
Cloudy first, clear sky then cloudy, light snow at altitude later.
Snow falling to 1,559m, with rain below.
Max 5℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
24
up to 25cm New Snow
Snow at altitude early, then clear spells later.
Snow Line from 1,739m to 1,139m, with rain below.
This Snow Forecast for Chamonix, France gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Chamonix, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Chamonix Snow Forecast updated at 09:38 AEDT, next update expected imminently.
Snow Forecast near Chamonix
| Ski Area | 48 Hr | 7 Day | Tu | We | Th | Fr | Sa | Su | Mo |
|---|---|---|---|---|---|---|---|---|---|
| Chamonix Sud | 8cm | 39cm | |||||||
| La Clusaz | 12cm | 46cm | |||||||
| La Rosière | 4cm | 46cm | |||||||
| Sainte-Foy Tarentaise | 4cm | 44cm | |||||||
| Ski Pass Mont Blanc | 6cm | 41cm | |||||||
| Argentière | 5cm | 38cm | |||||||
| Le Tour | 7cm | 39cm | |||||||
| Morzine | 12cm | 34cm |
Snow Reliability
Chamonix typically enjoys reliable snowfall, with an average snow depth of 80-200 cm throughout the season. For the latest snow conditions, be sure to check J2Ski for up-to-date information.
Understanding and predicting Snow Conditions in Chamonix
Here are our tips for making the most of a trip to Chamonix, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Chamonix is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Chamonix will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Chamonix for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.