Weather in Chamonix-Mont-Blanc for May 2025
With an average of 2 snowy days, Chamonix-Mont-Blanc usually enjoys a light touch of snow in May.
According to Chamonix-Mont-Blanc snow forecast for May 2025, no snow is expected at the beginning of the month.Expect cooler weather in first days of May 2025 in Chamonix-Mont-Blanc with the forecast suggesting a temperature of 12.6 °C, lower than the historical average.
In general, the average temperature in Chamonix-Mont-Blanc at the beginning of May is 11.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 9.3 °C by the end of May.
Chamonix-Mont-Blanc experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 261.4 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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Chamonix-Mont-Blanc Weather May
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2 15° | 3 14° | 4  10° | |||
| 5 10° | 6  15° | 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
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 15° /2° | 0.9 mm | 3 | |
| 2 May | Patchy rain possible | 15° /2° | 0.2 mm | 2 | |
| 3 May | Patchy rain possible | 14° /6° | 0 mm | 2 | |
| 4 May | Moderate rain | 10° /5° | 8.7 mm | 2 | |
| 5 May | Patchy rain possible | 10° /-1° | 1.9 mm | 2 | |
| 6 May | Sunny | 15° /-2° | 0 mm | 3 | |
| 7 May | Light rain shower | 2° /0° | 23 mm | 1 | |
| 8 May | Fog | 3° /-1° | 0.6 mm | 1 | |
| 9 May | Thundery outbreaks possible | 9° /-1° | 0.3 mm | 2 | |
| 10 May | Patchy rain possible | 12° /2° | 0.2 mm | 3 | |
| 11 May | Patchy rain possible | 14° /4° | 0.6 mm | 3 | |
| 12 May | Patchy light rain with thunder | 13° /5° | 7.5 mm | 3 | |
| 13 May | Patchy light rain with thunder | 11° /5° | 8.2 mm | 3 | |
| 14 May | Light rain shower | 10° /3° | 3 mm | 3 | |
| 15 May | Light rain shower | 5° /3° | 6.1 mm | 2 | |
| 16 May | Moderate or heavy rain with thunder | 6° /1° | 22.4 mm | 2 | |
| 17 May | Patchy light rain with thunder | 7° /-2° | 2 mm | 2 | |
| 18 May | Moderate or heavy rain with thunder | 8° /0° | 10.4 mm | 2 | |
| 19 May | Patchy rain possible | 12° /1° | 0.4 mm | 3 | |
| 20 May | Patchy light rain with thunder | 11° /3° | 6.2 mm | 3 | |
| 21 May | Patchy light rain with thunder | 7° /2° | 18.5 mm | 2 | |
| 22 May | Patchy light rain with thunder | 6° /2° | 4.8 mm | 2 | |
| 23 May | Patchy light rain with thunder | 7° /2° | 9.4 mm | 2 | |
| 24 May | Patchy light rain with thunder | 8° /1° | 9.3 mm | 2 | |
| 25 May | Patchy light rain with thunder | 9° /1° | 3.8 mm | 2 | |
| 26 May | Patchy light rain with thunder | 13° /3° | 1.9 mm | 3 | |
| 27 May | Moderate or heavy rain with thunder | 10° /5° | 13.1 mm | 3 | |
| 28 May | Patchy rain possible | 10° /4° | 1 mm | 3 | |
| 29 May | Patchy light rain with thunder | 11° /3° | 4.7 mm | 3 | |
| 30 May | Patchy light rain with thunder | 10° /3° | 18.8 mm | 3 | |
| 31 May | Moderate or heavy rain with thunder | 2° /0° | 9.9 mm | 1 | |
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Chamonix-Mont-Blanc in May - FAQ
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
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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.