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 19 May.
Updated 19 May 2025 11:38 BST.
| Next Snow Expected | 22 May |
|---|---|
| Next Snow Amount | 4cm 2in |
| Next 48 Hours | 13cm 5in |
| Next 7 Days | 27cm 11in |
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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
Max 19℃ 66°F
Min 8℃ 47°F
Valley temperatures from an overnight low of 8℃ 47°F to daytime highs around 19℃ 66°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
19
Snow unlikely
Fair first, cloudy then rain showers, cloudy later.
Chamonix is reporting “Spring Snow(High)” with 13cm 5in new snow forecast in the next 48 hours.
Chamonix Snow Report
| Upper Snow Depths | 240cm 94in |
|---|---|
| Snow Conditions | Spring Snow High |
| Last Snow | 100cm 39in of Snow - 24 April |
Chamonix 7-Day Snow Forecast Overview
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| Mon 19 | Tue 20 | Wed 21 | Thu 22 | Fri 23 | Sat 24 | Sun 25 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m 12,598ft | 1℃ 34°F
| -3℃ 26°F
 +8cm +3in
| -6℃ 21°F
 +5cm +2in
| -10℃ 14°F
+9cm +3in
| -9℃ 15°F
+1cm
| -6℃ 22°F
 | -5℃ 23°F
+4cm +2in
|
| 2,435m 7,989ft | 6℃ 43°F
| 4℃ 40°F
| 6℃ 43°F
+1cm
| 3℃ 38°F
+4cm +2in
| 4℃ 39°F
| 4℃ 38°F
| 4℃ 39°F
|
| 1,030m 3,379ft | 19℃ 66°F
| 14℃ 58°F
| 13℃ 54°F
| 10℃ 51°F
 | 11℃ 53°F
| 13℃ 56°F
| 13℃ 55°F
|
| Snow Line | varying 2,849m 9,347ft | varying 2,639m 8,658ft | varying 2,579m 8,461ft | varying 2,269m 7,444ft | varying 1,939m 6,362ft | varying 2,569m 8,428ft | |
| Max Town | 19℃ 66°F | 14℃ 58°F | 13℃ 54°F | 10℃ 51°F | 11℃ 53°F | 13℃ 56°F | 13℃ 55°F |
| Min Town | 8℃ 47°F | 10℃ 49°F | 9℃ 49°F | 7℃ 45°F | 5℃ 40°F | 4℃ 38°F | 6℃ 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.
Max 19℃ 66°F
Min 8℃ 47°F
Valley temperatures from an overnight low of 8℃ 47°F to daytime highs around 19℃ 66°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
19
Snow unlikely
Fair first, cloudy then rain showers, cloudy later.
Max 14℃ 58°F
Min 10℃ 49°F
Valley temperatures from an overnight low of 10℃ 49°F to daytime highs around 14℃ 58°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
20
up to 8cm up to 3in New Snow
Cloudy, rain showers, light rain showers later.
Snow Line from 2,639m 8,658ft to 2,579m 8,461ft , with rain below.
Max 13℃ 54°F
Min 9℃ 49°F
Valley temperatures from an overnight low of 9℃ 49°F to daytime highs around 13℃ 54°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
21
up to 5cm up to 2in New Snow
Cloudy, light rain showers, rain showers later.
Snow Line from 2,579m 8,461ft to 2,339m 7,674ft , with rain below.
Max 10℃ 51°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 10℃ 51°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
22
up to 9cm up to 3in New Snow
Light rain.
Snow Line from 2,269m 7,444ft to 1,969m 6,460ft , with rain below.
Max 11℃ 53°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 11℃ 53°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
23
up to 1cm New Snow
Clear spells first, cloudy then clear spells, fair later.
Snow Line from 1,939m 6,362ft to 1,869m 6,132ft , with rain below.
Max 13℃ 56°F
Min 4℃ 38°F
Valley temperatures from an overnight low of 4℃ 38°F to daytime highs around 13℃ 56°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sat
24
Snow unlikely
Clear sky first, cloudy then clear spells, fair later.
Max 13℃ 55°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 13℃ 55°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
25
up to 4cm up to 2in New Snow
Clear spells first, light rain then rain showers, light rain later.
Snow Line from 2,569m 8,428ft to 2,309m 7,575ft , 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 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 11:38 BST, next update expected imminently.
Snow Forecast near Chamonix
| Snow Report and Forecast | 48 Hr | Mon | Tue | Wed | Thu | Fri | Sat | Sun | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Ski Pass Mont Blanc | 25cm 10in | 50cm 20in | |||||||
| Chamonix Sud | 13cm 5in | 30cm 12in | |||||||
| Argentière | 10cm 4in | 25cm 10in | |||||||
| La Rosière | 5cm 2in | 11cm 4in | |||||||
| La Clusaz | - | 9cm 3in | |||||||
| Flaine | - | 6cm 2in | |||||||
| Sainte-Foy Tarentaise | - | 3cm 1in | |||||||
| Le Tour | - | 2cm 1in |
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.