Chamonix-Mont-Blanc
May
Weather in Chamonix-Mont-Blanc for May 2025
Your guide to Chamonix-Mont-Blanc weather in May - trends and predictions
In general, the average temperature in Chamonix-Mont-Blanc at the beginning of May is 4.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 9.3 °C by the end of May.
Chamonix-Mont-Blanc experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
With an average of 2 snowy days, Chamonix-Mont-Blanc enjoys a light touch of snow in May.
Is May a good time to visit Chamonix-Mont-Blanc? check out the best time to travel to Chamonix-Mont-Blanc page.
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2
Dry days
27
Rainy days
2
Snow days
8°/1°
Temperatures
8 km/h
Avg max wind
85 %
Avg humidity
Chamonix-Mont-Blanc in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  6° | 2  2° | 3  1° | 4  4° | |||
| 5  9° | 6  5° | 7 2° | 8  3° | 9  9° | 10 12° | 11 14° |
| 12 13° | 13 11° | 14 10° | 15 5° | 16 6° | 17 7° | 18 8° |
| 19 12° | 20 11° | 21 7° | 22 6° | 23 7° | 24 8° | 25 9° |
| 26 13° | 27 10° | 28 10° | 29 11° | 30 10° | 31 2° |
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Temperatures trend during May in Chamonix-Mont-Blanc
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May | Patchy light rain | 6° /1° | 6.5 mm | 0 cm | |
| 2 May | Moderate or heavy rain with thunder | 2° /-2° | 32.4 mm | 1.5 cm | |
| 3 May | Light rain shower | 1° /-3° | 2.4 mm | 0.8 cm | |
| 4 May | Light freezing rain | 4° /-3° | 0.6 mm | 0 cm | |
| 5 May | Patchy light rain with thunder | 9° /1° | 7.8 mm | 0 cm | |
| 6 May | Moderate rain | 5° /1° | 25.5 mm | 0 cm | |
| 7 May | Light rain shower | 2° /0° | 23 mm | 0 cm | |
| 8 May | Fog | 3° /-1° | 0.6 mm | 0 cm | |
| 9 May | Thundery outbreaks possible | 9° /-1° | 0.3 mm | 0 cm | |
| 10 May | Patchy rain possible | 12° /2° | 0.2 mm | 0 cm | |
| 11 May | Patchy rain possible | 14° /4° | 0.6 mm | 0 cm | |
| 12 May | Patchy light rain with thunder | 13° /5° | 7.5 mm | 0 cm | |
| 13 May | Patchy light rain with thunder | 11° /5° | 8.2 mm | 0 cm | |
| 14 May | Light rain shower | 10° /3° | 3 mm | 0 cm | |
| 15 May | Light rain shower | 5° /3° | 6.1 mm | 0 cm | |
| 16 May | Moderate or heavy rain with thunder | 6° /1° | 22.4 mm | 0 cm | |
| 17 May | Patchy light rain with thunder | 7° /-2° | 2 mm | 0 cm | |
| 18 May | Moderate or heavy rain with thunder | 8° /0° | 10.4 mm | 0 cm | |
| 19 May | Patchy rain possible | 12° /1° | 0.4 mm | 0 cm | |
| 20 May | Patchy light rain with thunder | 11° /3° | 6.2 mm | 0 cm | |
| 21 May | Patchy light rain with thunder | 7° /2° | 18.5 mm | 0 cm | |
| 22 May | Patchy light rain with thunder | 6° /2° | 4.8 mm | 0 cm | |
| 23 May | Patchy light rain with thunder | 7° /2° | 9.4 mm | 0 cm | |
| 24 May | Patchy light rain with thunder | 8° /1° | 9.3 mm | 0 cm | |
| 25 May | Patchy light rain with thunder | 9° /1° | 3.8 mm | 0 cm | |
| 26 May | Patchy light rain with thunder | 13° /3° | 1.9 mm | 0 cm | |
| 27 May | Moderate or heavy rain with thunder | 10° /5° | 13.1 mm | 0 cm | |
| 28 May | Patchy rain possible | 10° /4° | 1 mm | 0 cm | |
| 29 May | Patchy light rain with thunder | 11° /3° | 4.7 mm | 0 cm | |
| 30 May | Patchy light rain with thunder | 10° /3° | 18.8 mm | 0 cm | |
| 31 May | Moderate or heavy rain with thunder | 2° /0° | 9.9 mm | 0 cm | |
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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.
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 8° and colder nights, dipping below 1°.
How much rainfall should be expected in Chamonix-Mont-Blanc during May?
Significant rainfall exceeding 261.4 mm is expected in Chamonix-Mont-Blanc during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Chamonix-Mont-Blanc during May?
Chamonix-Mont-Blanc experiences an average snowfall of 2.3 cm during May, occurring over 2 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Chamonix-Mont-Blanc during May?
The average wind speed in Chamonix-Mont-Blanc during May is 8 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
May rainfall patterns in Chamonix-Mont-Blanc
Explore the daily rainfall trends and prepare for Chamonix-Mont-Blancs May weather 💧
May snowfall in Chamonix-Mont-Blanc
Track daily snowfall levels and discover Chamonix-Mont-Blanc’s snowy potential this May ❄️
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