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Chamonix Snow Forecast - 20th January 2025

Snow Mail

Chamonix Snow Report and Forecast

Snow Forecast for Chamonix

When will there be fresh snow?

This is the Snow Forecast for Chamonix, France for 16 days from 20 January.

Updated 20 January 2025 18:34 GMT.

Chamonix Snow Forecast Highlights
Next Snow Expected23 January
Next Snow Amount13cm5in
Next 48 Hours2cm1in
Next 7 Days18cm7in
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Chamonix.

Forecast for today in Chamonix

Temperature at BaseTemp at Base

Mon
20

Snow unlikely

CloudFairCloudFair

Cloudy first, fair then cloudy, fair later.

Chamonix is reporting “Soft Snow” with 2cm1in new snow forecast in the next 48 hours.

Chamonix Snow Report

Chamonix Snow Depths and Conditions.
Upper Snow Depths245cm96in
Lower Snow Depths10cm4in
Snow ConditionsSoft Snow
Last Snow20cm8in of Snow - 11 January
Avalanche Risk Level
The Avalanche Risk Level in Chamonix was reported as 3 (Considerable) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs.

Chamonix 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Chamonix from OpenMeteo
Mon
20
Tue
21
Wed
22
Thu
23
Fri
24
Sat
25
Sun
26
WindNE F3SE F2
3,840m12,598ft
-11℃11°F
Cloud
-12℃10°F
Clear
-10℃13°F
Cloud
+2cm+1in
-12℃9°F
Snow
+16cm+6in
-8℃17°F
Cloud
-8℃17°F
Fair
-13℃8°F
Freeze Fog
SW F2SW F2SE F2
2,435m7,989ft
-3℃26°F
Cloud
-4℃25°F
Clear
1℃33°F
Cloud
+1cm
0℃32°F
Snow
+13cm+5in
4℃38°F
Cloud
4℃39°F
Mixed
-4℃24°F
Freeze Fog
SE F3
1,030m3,379ft
7℃45°F
Cloud
6℃42°F
Clear
8℃46°F
Cloud
7℃45°F
Snow
11℃52°F
Cloud
13℃56°F
Clear
11℃51°F
Cloud
Snow Line

varying 2,269m7,444ft
to 1,879m6,165ft

varying 2,059m6,755ft
to 1,389m4,557ft

Max Town7℃45°F6℃42°F8℃46°F7℃45°F11℃52°F13℃56°F11℃51°F
Min Town-1℃31°F-2℃28°F0℃33°F2℃36°F3℃37°F5℃41°F6℃43°F

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.

Temperature at BaseTemp at Base

Mon
20

Snow unlikely

CloudFairCloudFair

Cloudy first, fair then cloudy, fair later.

Temperature at BaseTemp at Base

Tue
21

Snow unlikely

FairClearClearCloud

Fair, clear sky, cloudy later.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Wed
22

up to 2cmup to 1in New Snow

CloudCloudShwrsCloud

Cloudy, rain showers, cloudy later.

Snow Line from 2,269m7,444ft to 1,879m6,165ft, with rain below.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Thu
23

up to 16cmup to 6in New Snow

ShwrsSnowLt Snow ShwrsFair

Rain showers first, snow at altitude then light snow showers at altitude, fair later.

Snow Line from 2,059m6,755ft to 1,389m4,557ft, with rain below.

Temperature at BaseTemp at Base

Fri
24

Snow unlikely

ClearMixedCloudCloud

Clear sky, clear spells, cloudy later.

Temperature at BaseTemp at Base

Sat
25

Snow unlikely

MixedMixedClearClear

Clear spells early, then clear sky later.

Temperature at BaseTemp at Base

Sun
26

Snow unlikely

ClearCloudMixedFair

Clear sky first, cloudy then clear spells, fair later.

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 piste 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 18:34 GMT, next update expected imminently.

Snow Forecast near Chamonix

Snow Forecasts for Ski Resorts near Chamonix
Snow Report and Forecast 48 HrMonTueWedThuFriSatSun 7 Day
Ski Pass Mont Blanc1cm- 59cm23in
La Clusaz3cm1in 37cm15in
Argentière1cm- 19cm7in
Le Tour1cm1in 17cm7in
Avoriaz-16cm6in
Chamonix Sud-16cm6in
La Flégère4cm1in 15cm6in
St Gervais Mont-Blanc-15cm6in

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.