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Weather in Chamonix-Mont-Blanc for December 2026

Your guide to Chamonix-Mont-Blanc weather in December - trends and predictions

    Snow Forecast ❄️

  • Chamonix-Mont-Blanc typically experiences moderate snowfall in December, with an average of 10 snowy days.

    • Temperatures

  • In general, the average temperature in Chamonix-Mont-Blanc at the beginning of December is -0.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 1.6 °C by the end of December.

    • More

  • Is December a good time to visit Chamonix-Mont-Blanc? check out the best time to travel to Chamonix-Mont-Blanc page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
1
Rainy days
Average snowy days
10
Snow days
Average temperatures
1°/-9°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Chamonix-Mont-Blanc Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy sleet
1°
2
Moderate or heavy snow showers
0°
3
Sunny
-2°
4
Heavy snow
-3°
5
Heavy snow
-2°
6
Light freezing rain
-1°
7
Sunny
1°
8
Heavy snow
-1°
9
Light freezing rain
0°
10
Moderate or heavy snow showers
0°
11
Mist
1°
12
Sunny
1°
13
Moderate or heavy snow with thunder
0°
14
Moderate or heavy snow showers
0°
15
Light snow showers
-2°
16
Sunny
1°
17
Sunny
2°
18
Sunny
2°
19
Sunny
2°
20
Moderate snow
-2°
21
Light sleet
0°
22
Heavy snow
0°
23
Mist
-2°
24
Sunny
-2°
25
Mist
1°
26
Sunny
1°
27
Sunny
3°
28
Light freezing rain
3°
29
Sunny
2°
30
Sunny
1°
31
Sunny
0°

Temperatures trend during December in Chamonix-Mont-Blanc

See the weather trend as well as the moving average line

December weather in Chamonix-Mont-Blanc day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate or heavy sleet
Moderate or heavy sleet
 1° /-6° 14.7 mm 2.7 cm
2 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-8° 6.5 mm 4.1 cm
3 Dec. Sunny
Sunny
 -2° /-12° 2.2 mm 0.3 cm
4 Dec. Heavy snow
Heavy snow
 -3° /-10° 1.6 mm 1.3 cm
5 Dec. Heavy snow
Heavy snow
 -2° /-12° 1.9 mm 1.6 cm
6 Dec. Light freezing rain
Light freezing rain
 -1° /-9° 7.2 mm 0 cm
7 Dec. Sunny
Sunny
 1° /-7° 15.3 mm 2.2 cm
8 Dec. Heavy snow
Heavy snow
 -1° /-7° 2.1 mm 1.4 cm
9 Dec. Light freezing rain
Light freezing rain
 0° /-7° 9.1 mm 0.1 cm
10 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-6° 3.3 mm 0.1 cm
11 Dec. Mist
Mist
 1° /-5° 24.9 mm 0 cm
12 Dec. Sunny
Sunny
 1° /-5° 14 mm 0 cm
13 Dec. Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 0° /-6° 7.4 mm 2.8 cm
14 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-6° 3.6 mm 2.9 cm
15 Dec. Light snow showers
Light snow showers
 -2° /-9° 0.6 mm 0.4 cm
16 Dec. Sunny
Sunny
 1° /-7° 0.3 mm 0 cm
17 Dec. Sunny
Sunny
 2° /-2° 0.8 mm 0 cm
18 Dec. Sunny
Sunny
 2° /-2° 0 mm 0 cm
19 Dec. Sunny
Sunny
 2° /-4° 10 mm 1.7 cm
20 Dec. Moderate snow
Moderate snow
 -2° /-7° 3.9 mm 2.4 cm
21 Dec. Light sleet
Light sleet
 0° /-8° 4 mm 0 cm
22 Dec. Heavy snow
Heavy snow
 0° /-6° 26.2 mm 11.1 cm
23 Dec. Mist
Mist
 -2° /-7° 9.6 mm 6.9 cm
24 Dec. Sunny
Sunny
 -2° /-10° 0.6 mm 0.4 cm
25 Dec. Mist
Mist
 1° /-6° 0.1 mm 0 cm
26 Dec. Sunny
Sunny
 1° /-5° 0 mm 0 cm
27 Dec. Sunny
Sunny
 3° /-4° 0 mm 0 cm
28 Dec. Light freezing rain
Light freezing rain
 3° /-3° 0 mm 0 cm
29 Dec. Sunny
Sunny
 2° /-5° 0 mm 0 cm
30 Dec. Sunny
Sunny
 1° /-6° 0 mm 0 cm
31 Dec. Sunny
Sunny
 0° /-8° 3.2 mm 2.4 cm
Next
Important Notice
Our weather forecast for Chamonix-Mont-Blanc in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chamonix-Mont-Blanc forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Chamonix-Mont-Blanc weather in December vs November vs January

Compare December weather in Chamonix-Mont-Blanc with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherSunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temperatures5°/-7°1°/-9°1°/-10°
Rainfall546 mm488 mm453 mm
Snowfall131 cm133 cm131 cm
Wind10.4 km/h9.8 km/h11 km/h
Humidity79%78%80%
Rainy days3 days1 days4 days
Snow days4 days10 days8 days
Dry days23 days20 days19 days

Planning a trip to Chamonix-Mont-Blanc? Discover the best time to visit

Chamonix-Mont-Blanc in December - FAQ

What are the expected maximum and minimum temperatures in Chamonix-Mont-Blanc during December?

Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Chamonix-Mont-Blanc during December?

Significant rainfall exceeding 487.7 mm is expected in Chamonix-Mont-Blanc during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Chamonix-Mont-Blanc in December 2026?

Chamonix-Mont-Blanc experiences an average snowfall of 133 cm during December, occurring over 10 days.

What are the typical wind conditions in Chamonix-Mont-Blanc during December?

The average wind speed in Chamonix-Mont-Blanc during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chamonix-Mont-Blanc in December?

As you prepare for your trip to Chamonix-Mont-Blanc in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chamonix-Mont-Blanc, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
    • Thermal Wear: Base layers for cold destinations
    • All-Weather Jacket: Waterproof and breathable
  • Footwear
    • Waterproof Shoes
    • Insulated Boots: For snowy and extremely cold temperatures
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

Chamonix-Mont-Blanc snow forecast December 2026

Track daily snowfall levels and discover Chamonix-Mont-Blanc’s snowy potential this December ❄️
On average, Chamonix-Mont-Blanc sees 10 snowy days during December, with approximately 133 cm of total snowfall.

December rainfall patterns in Chamonix-Mont-Blanc

Explore the daily rainfall trends and prepare for Chamonix-Mont-Blancs December weather 💧
Typically, Chamonix-Mont-Blanc has 1 rainy days in December with a total of 487.7 mm of rainfall.

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Location coordinates Where is Chamonix-Mont-Blanc?

Get accurate weather forecasts for Chamonix-Mont-Blanc, located at latitude 45.924 and longitude 6.869. Stay updated with localized weather information tailored for Chamonix-Mont-Blanc.

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