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Weather in Chamonix-Mont-Blanc for May 2026

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

    Official Weather Alert ⚠️

  • Ground frost - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Chamonix-Mont-Blanc during May is quite rare, with fewer than 2 snowy days on average.
    According to Chamonix-Mont-Blanc snow forecast for May 2026, 2 snowy days are expected at the beginning of May. The first snowfall for May is expected in Monday, 11 May.

    • Temperatures

  • The forecast for the first days of May 2026 in Chamonix-Mont-Blanc predicts temperatures to be around 7 °C, close to the historical average.

  • In general, the average temperature in Chamonix-Mont-Blanc at the beginning of May is 9.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 11.6 °C by the end of May.

    • Rain 🌧️

  • Chamonix-Mont-Blanc experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 438.2 mm.

    • More

  • Is May 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
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/0°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Chamonix-Mont-Blanc Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Patchy rain possible
12°
2
Moderate rain
14°
3
Patchy rain possible
13°
4
Moderate rain
7°
5
Patchy rain possible
6°
6
Patchy rain possible
4°
7
Partly cloudy
9°
8
Patchy rain possible
8°
9
Moderate rain
3°
10
Light drizzle
2°
11
Light freezing rain
2°
12
Light snow
0°
13
Light freezing rain
3°
14
Light rain shower
11°
15
Light rain shower
9°
16
Moderate or heavy rain with thunder
8°
17
Patchy light rain with thunder
8°
18
Moderate or heavy rain with thunder
10°
19
Patchy rain possible
13°
20
Patchy light rain with thunder
10°
21
Patchy light rain with thunder
8°
22
Patchy light rain with thunder
7°
23
Patchy light rain with thunder
6°
24
Patchy light rain with thunder
8°
25
Patchy light rain with thunder
10°
26
Patchy light rain with thunder
11°
27
Moderate or heavy rain with thunder
11°
28
Patchy rain possible
12°
29
Patchy light rain with thunder
13°
30
Patchy light rain with thunder
14°
31
Moderate or heavy rain with thunder
10°

Temperatures trend during May in Chamonix-Mont-Blanc

See the weather trend as well as the moving average line

May weather in Chamonix-Mont-Blanc day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 12° /3° 0.8 mm 0 cm
2 May Moderate rain
Moderate rain
 14° /4° 5.6 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 13° /4° 3.5 mm 0 cm
4 May Moderate rain
Moderate rain
 7° /4° 5.1 mm 0 cm
5 May Patchy rain possible
Patchy rain possible
 6° /2° 3.9 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 4° /-2° 4.6 mm 0 cm
7 May Partly cloudy
Partly cloudy
 9° /-3° 0.1 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
 8° /2° 0.7 mm 0 cm
9 May Moderate rain
Moderate rain
 3° /1° 8.5 mm 0 cm
10 May Light drizzle
Light drizzle
 2° /-1° 3.3 mm 0 cm
11 May Light freezing rain
Light freezing rain
 2° /-3° 0.6 mm 0 cm
12 May Light snow
Light snow
 0° /-6° 1.8 mm 0.1 cm
13 May Light freezing rain
Light freezing rain
 3° /-6° 0.2 mm 0 cm
14 May Light rain shower
Light rain shower
 11° /2° 2.6 mm 0 cm
15 May Light rain shower
Light rain shower
 9° /2° 3.1 mm 0 cm
16 May Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 8° /1° 11.3 mm 0 cm
17 May Patchy light rain with thunder
Patchy light rain with thunder
 8° /-1° 1.1 mm 0 cm
18 May Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 10° /0° 5.2 mm 0 cm
19 May Patchy rain possible
Patchy rain possible
 13° /2° 1.6 mm 0 cm
20 May Patchy light rain with thunder
Patchy light rain with thunder
 10° /3° 13.7 mm 0 cm
21 May Patchy light rain with thunder
Patchy light rain with thunder
 8° /3° 11.8 mm 0 cm
22 May Patchy light rain with thunder
Patchy light rain with thunder
 7° /1° 10.6 mm 0 cm
23 May Patchy light rain with thunder
Patchy light rain with thunder
 6° /1° 5.3 mm 0 cm
24 May Patchy light rain with thunder
Patchy light rain with thunder
 8° /0° 4.7 mm 0 cm
25 May Patchy light rain with thunder
Patchy light rain with thunder
 10° /1° 3.5 mm 0 cm
26 May Patchy light rain with thunder
Patchy light rain with thunder
 11° /3° 3.4 mm 0 cm
27 May Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 11° /3° 7.6 mm 0 cm
28 May Patchy rain possible
Patchy rain possible
 12° /3° 8.1 mm 0 cm
29 May Patchy light rain with thunder
Patchy light rain with thunder
 13° /2° 2.3 mm 0 cm
30 May Patchy light rain with thunder
Patchy light rain with thunder
 14° /4° 9.4 mm 0 cm
31 May Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 10° /4° 7.2 mm 0 cm
Next
Important Notice
Our weather forecast for Chamonix-Mont-Blanc in May 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 May vs April vs June

Compare May 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.
AprilMayJune
WeatherPatchy rain possible
Patchy rain possible
Patchy light rain with thunder
Patchy light rain with thunder
Patchy light rain with thunder
Patchy light rain with thunder
Temperatures8°/-4°11°/0°19°/5°
Rainfall282 mm438 mm344 mm
Snowfall70 cm2 cm0 cm
Wind10.5 km/h8.6 km/h10.2 km/h
Humidity81%82%73%
Rainy days14 days22 days17 days
Snow days4 days0 days0 days
Dry days12 days9 days13 days

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

Chamonix-Mont-Blanc in May - FAQ

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

Prepare for cooler days with highs just around 11° and colder nights, dipping below 0°.

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

Significant rainfall exceeding 438.2 mm is expected in Chamonix-Mont-Blanc during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

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

Chamonix-Mont-Blanc typically sees 2.3 cm of snowfall during May.

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

The average wind speed in Chamonix-Mont-Blanc during May is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

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

As you prepare for your trip to Chamonix-Mont-Blanc in May, 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 May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • 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 May 2026

Track daily snowfall levels and discover Chamonix-Mont-Blanc’s snowy potential this May ❄️

May rainfall patterns in Chamonix-Mont-Blanc

Explore the daily rainfall trends and prepare for Chamonix-Mont-Blancs May weather 💧
Typically, Chamonix-Mont-Blanc has 22 rainy days in May with a total of 438.2 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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