Chamonix Sud Snow Report and Forecast
Snow Forecast for Chamonix Sud
When will there be fresh snow?
This is the Snow Forecast for Chamonix Sud, France for 16 days from 29 May.
Updated 29 May 2025 09:34 BST.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Chamonix Sud. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Chamonix Sud.
Forecast for today in Chamonix Sud
Max 20℃ 67°F
Min 9℃ 48°F
Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 20℃ 67°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
29
Snow unlikely
Clear spells first, cloudy then fair, clear sky later.
Chamonix (including Chamonix Sud) is reporting “Spring Snow(High)” with no new snow forecast in the next 48 hours.
Chamonix Sud Snow Report
| Upper Snow Depths | 240cm 94in |
|---|---|
| Snow Conditions | Spring Snow High |
Chamonix Sud 7-Day Snow Forecast Overview
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| Thu 29 | Fri 30 | Sat 31 | Sun 01 | Mon 02 | Tue 03 | Wed 04 | |
|---|---|---|---|---|---|---|---|
| Wind | S F2 | ||||||
| 3,840m 12,598ft | 2℃ 35°F
| 6℃ 42°F
 | 3℃ 38°F
 | 3℃ 36°F
| -2℃ 27°F
 +11cm +4in
| 1℃ 34°F
 +1cm
| -2℃ 29°F
+12cm +5in
|
| S F2 | |||||||
| 2,440m 8,005ft | 9℃ 48°F
| 13℃ 55°F
| 17℃ 62°F
| 16℃ 61°F
| 10℃ 51°F
| 10℃ 51°F
| 7℃ 45°F
 |
| 1,040m 3,412ft | 20℃ 67°F
| 25℃ 76°F
| 24℃ 76°F
| 24℃ 74°F
| 17℃ 62°F
| 21℃ 70°F
| 18℃ 64°F
|
| Snow Line | varying 3,519m 11,545ft | varying 3,379m 11,086ft | varying 3,229m 10,594ft | varying 3,239m 10,627ft | |||
| Max Town | 20℃ 67°F | 25℃ 76°F | 24℃ 76°F | 24℃ 74°F | 17℃ 62°F | 21℃ 70°F | 18℃ 64°F |
| Min Town | 9℃ 48°F | 13℃ 55°F | 15℃ 58°F | 16℃ 60°F | 13℃ 56°F | 13℃ 56°F | 13℃ 56°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 Sud 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 20℃ 67°F
Min 9℃ 48°F
Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 20℃ 67°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
29
Snow unlikely
Clear spells first, cloudy then fair, clear sky later.
Max 25℃ 76°F
Min 13℃ 55°F
Valley temperatures from an overnight low of 13℃ 55°F to daytime highs around 25℃ 76°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
30
Snow unlikely
Fair early, then clear sky later.
Max 24℃ 76°F
Min 15℃ 58°F
Valley temperatures from an overnight low of 15℃ 58°F to daytime highs around 24℃ 76°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
31
Snow unlikely
Cloudy, clear spells, cloudy later.
Max 24℃ 74°F
Min 16℃ 60°F
Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 24℃ 74°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
01
Snow unlikely
Clear spells early, then cloudy later.
Max 17℃ 62°F
Min 13℃ 56°F
Valley temperatures from an overnight low of 13℃ 56°F to daytime highs around 17℃ 62°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
02
up to 11cm up to 4in New Snow
Light rain, light rain showers, cloudy later.
Snow Line from 3,379m 11,086ft to 2,989m 9,806ft , with rain below.
Max 21℃ 70°F
Min 13℃ 56°F
Valley temperatures from an overnight low of 13℃ 56°F to daytime highs around 21℃ 70°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
03
up to 1cm New Snow
Cloudy, rain showers, cloudy later.
Snow Line from 3,229m 10,594ft to 3,139m 10,299ft , with rain below.
Max 18℃ 64°F
Min 13℃ 56°F
Valley temperatures from an overnight low of 13℃ 56°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
04
up to 12cm up to 5in New Snow
Clear spells first, cloudy then rain showers, light rain showers later.
Snow Line from 3,239m 10,627ft to 2,889m 9,478ft , with rain below.
This Snow Forecast for Chamonix Sud, 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 Sud, 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 Sud Snow Forecast updated at 09:34 BST, next update expected imminently.
Snow Forecast near Chamonix Sud
| Snow Report and Forecast | 48 Hr | Thu | Fri | Sat | Sun | Mon | Tue | Wed | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Chamonix | - | 27cm 10in |
Understanding and predicting Snow Conditions in Chamonix Sud
Here are our tips for making the most of a trip to Chamonix Sud, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix Sud, 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 Sud 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 Sud 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 Sud 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.