Chamonix Snow Report and Forecast
Snow Forecast for Chamonix
When will there be fresh snow?
This is the Snow Forecast for Chamonix, France for 15 days from 30 April.
Updated 29 April 2025 22:37 UTC.
| Next Snow Expected | 5 May |
|---|---|
| Next Snow Amount | 2cm 1in |
| Next 48 Hours | - - |
| Next 7 Days | 26cm 10in |
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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 21℃ 69°F
Min 9℃ 47°F
Valley temperatures from an overnight low of 9℃ 47°F to daytime highs around 21℃ 69°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Wed
30
Snow unlikely
Clear sky, fair, clear sky later.
Chamonix is reporting “Hard(High), Fresh Snow(Low)” with very light new snow forecast in the next 48 hours.
Chamonix Snow Report
| Upper Snow Depths | 270cm 106in |
|---|---|
| Snow Conditions | Hard High Fresh Snow Low |
| Last Snow | 100cm 39in of Snow - 24 April |
| Avalanche Risk Level | |
| The Avalanche Risk Level in Chamonix was reported as 2 (Moderate) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs. | |
Chamonix 7-Day Snow Forecast Overview
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| Wed 30 | Thu 01 | Fri 02 | Sat 03 | Sun 04 | Mon 05 | Tue 06 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m 12,598ft | 3℃ 37°F
| 5℃ 40°F
| 2℃ 36°F
| -3℃ 26°F
 +4cm +1in
| -5℃ 22°F
 +13cm +5in
| -6℃ 22°F
 +5cm +2in
| -8℃ 18°F
+3cm +1in
|
| 2,435m 7,989ft | 8℃ 46°F
| 9℃ 49°F
| 16℃ 60°F
 | 11℃ 51°F
 | 7℃ 45°F
| 4℃ 38°F
+2cm +1in
| 2℃ 35°F
+3cm +1in
|
| 1,030m 3,379ft | 21℃ 69°F
| 22℃ 72°F
| 23℃ 74°F
| 18℃ 64°F
| 14℃ 57°F
 | 12℃ 54°F
| 12℃ 53°F
 |
| Snow Line | varying 3,449m 11,316ft | varying 3,209m 10,528ft | varying 2,909m 9,544ft | varying 2,529m 8,297ft | varying 2,179m 7,149ft | ||
| Max Town | 21℃ 69°F | 22℃ 72°F | 23℃ 74°F | 18℃ 64°F | 14℃ 57°F | 12℃ 54°F | 12℃ 53°F |
| Min Town | 9℃ 47°F | 10℃ 49°F | 13℃ 54°F | 13℃ 55°F | 11℃ 52°F | 9℃ 48°F | 8℃ 45°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 21℃ 69°F
Min 9℃ 47°F
Valley temperatures from an overnight low of 9℃ 47°F to daytime highs around 21℃ 69°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Wed
30
Snow unlikely
Clear sky, fair, clear sky later.
Max 22℃ 72°F
Min 10℃ 49°F
Valley temperatures from an overnight low of 10℃ 49°F to daytime highs around 22℃ 72°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
01
Snow unlikely
Clear sky, fair, clear sky later.
Max 23℃ 74°F
Min 13℃ 54°F
Valley temperatures from an overnight low of 13℃ 54°F to daytime highs around 23℃ 74°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
02
Snow unlikely
Clear sky, fair, cloudy later.
Max 18℃ 64°F
Min 13℃ 55°F
Valley temperatures from an overnight low of 13℃ 55°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
03
up to 4cm up to 1in New Snow
Clear spells first, light rain showers then clear spells, cloudy later.
Snow Line from 3,209m 10,528ft to 2,929m 9,610ft , with rain below.
Max 14℃ 57°F
Min 11℃ 52°F
Valley temperatures from an overnight low of 11℃ 52°F to daytime highs around 14℃ 57°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
04
up to 13cm up to 5in New Snow
Rain showers first, light rain showers then thunderstorms, fog later.
Snow Line from 2,909m 9,544ft to 2,549m 8,363ft , with rain below.
Max 12℃ 54°F
Min 9℃ 48°F
Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 12℃ 54°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
05
up to 5cm up to 2in New Snow
Fog first, cloudy then light rain showers, light rain later.
Snow Line from 2,529m 8,297ft to 2,079m 6,821ft , with rain below.
Max 12℃ 53°F
Min 8℃ 45°F
Valley temperatures from an overnight low of 8℃ 45°F to daytime highs around 12℃ 53°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 3cm up to 1in New Snow
Cloudy first, light rain then light rain showers, fair later.
Snow Line from 2,179m 7,149ft to 1,959m 6,427ft , 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 22:37 UTC, next update expected imminently.
Snow Forecast near Chamonix
| Snow Report and Forecast | 48 Hr | Wed | Thu | Fri | Sat | Sun | Mon | Tue | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Chamonix Sud | - | 27cm 11in | |||||||
| Ski Pass Mont Blanc | - | 14cm 6in | |||||||
| Argentière | - | 5cm 2in | |||||||
| Flaine | - | 3cm 1in | |||||||
| La Rosière | - | 2cm 1in | |||||||
| Les Contamines | - | 1cm - | |||||||
| Sainte-Foy Tarentaise | - | 1cm 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.