Chamonix-Mont-Blanc
May
Weather in Chamonix-Mont-Blanc for May 2026
Your guide to Chamonix-Mont-Blanc weather in May - trends and predictions
With an average of 2 snowy days, Chamonix-Mont-Blanc usually enjoys a light touch of snow in May.
In general, the average temperature in Chamonix-Mont-Blanc at the beginning of May is 7.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.6 °C by the end of May.
Chamonix-Mont-Blanc experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 219.1 mm.
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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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
0
Dry days
29
Rainy days
2
Snow days
9°/2°
Temperatures
9 km/h
Avg max wind
81 %
Avg humidity
Chamonix-Mont-Blanc Weather May
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Temperatures trend during May in Chamonix-Mont-Blanc
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May weather in Chamonix-Mont-Blanc day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Patchy light rain | 11° /2° | 3.6 mm | 0 cm | |
| 2 May |  Moderate or heavy rain with thunder | 10° /1° | 17.4 mm | 0.8 cm | |
| 3 May |  Light rain shower | 7° /1° | 5.2 mm | 0.4 cm | |
| 4 May |  Light freezing rain | 7° /0° | 12.6 mm | 0 cm | |
| 5 May |  Patchy light rain with thunder | 8° /1° | 8.1 mm | 0 cm | |
| 6 May |  Moderate rain | 4° /0° | 17.6 mm | 0 cm | |
| 7 May | Light rain shower | 3° /0° | 14.8 mm | 0 cm | |
| 8 May |  Fog | 3° /-1° | 1.5 mm | 0 cm | |
| 9 May |  Thundery outbreaks possible | 8° /-1° | 4.4 mm | 0 cm | |
| 10 May | Patchy rain possible | 10° /1° | 1.3 mm | 0 cm | |
| 11 May | Patchy rain possible | 12° /2° | 2.4 mm | 0 cm | |
| 12 May | Patchy light rain with thunder | 9° /3° | 11.3 mm | 0 cm | |
| 13 May | Patchy light rain with thunder | 10° /2° | 6.2 mm | 0 cm | |
| 14 May | Light rain shower | 11° /2° | 2.6 mm | 0 cm | |
| 15 May | Light rain shower | 9° /2° | 3.1 mm | 0 cm | |
| 16 May | Moderate or heavy rain with thunder | 8° /1° | 11.3 mm | 0 cm | |
| 17 May | Patchy light rain with thunder | 8° /-1° | 1.1 mm | 0 cm | |
| 18 May | Moderate or heavy rain with thunder | 10° /0° | 5.2 mm | 0 cm | |
| 19 May | Patchy rain possible | 13° /2° | 1.6 mm | 0 cm | |
| 20 May | Patchy light rain with thunder | 10° /3° | 13.7 mm | 0 cm | |
| 21 May | Patchy light rain with thunder | 8° /3° | 11.8 mm | 0 cm | |
| 22 May | Patchy light rain with thunder | 7° /1° | 10.6 mm | 0 cm | |
| 23 May | Patchy light rain with thunder | 6° /1° | 5.3 mm | 0 cm | |
| 24 May | Patchy light rain with thunder | 8° /0° | 4.7 mm | 0 cm | |
| 25 May | Patchy light rain with thunder | 10° /1° | 3.5 mm | 0 cm | |
| 26 May | Patchy light rain with thunder | 11° /3° | 3.4 mm | 0 cm | |
| 27 May | Moderate or heavy rain with thunder | 11° /3° | 7.6 mm | 0 cm | |
| 28 May | Patchy rain possible | 12° /3° | 8.1 mm | 0 cm | |
| 29 May | Patchy light rain with thunder | 13° /2° | 2.3 mm | 0 cm | |
| 30 May | Patchy light rain with thunder | 14° /4° | 9.4 mm | 0 cm | |
| 31 May | 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
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.
| April | May | June | |
|---|---|---|---|
| Weather | Patchy light rain with thunder | Patchy light rain with thunder | Patchy light rain with thunder |
| Temperatures | 6°/-2° | 9°/2° | 16°/7° |
| Rainfall | 141 mm | 219 mm | 172 mm |
| Snowfall | 35 cm | 1 cm | 0 cm |
| Wind | 10.5 km/h | 8.6 km/h | 10.2 km/h |
| Humidity | 80% | 81% | 72% |
| Rainy days | 8 days | 29 days | 23 days |
| Snow days | 14 days | 2 days | 0 days |
| Dry days | 8 days | 0 days | 7 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 9° and colder nights, dipping below 2°.
How much rainfall should be expected in Chamonix-Mont-Blanc during May?
Significant rainfall exceeding 219.1 mm is expected in Chamonix-Mont-Blanc during May, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Chamonix-Mont-Blanc in May 2026?
Chamonix-Mont-Blanc experiences an average snowfall of 1.17 cm during May, occurring over 2 days.
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 💧
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