Weather in Chamonix-Mont-Blanc for October 2025
Ground Frost Warning - See hour by hour.
Until now, October 2025 in Chamonix-Mont-Blanc is slightly cooler than the historical average by -1.8 °C.
In general, the average temperature in Chamonix-Mont-Blanc at the beginning of October is 10.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.3 °C by the end of October.
With an average of 5 rainy days, Chamonix-Mont-Blanc experiences minimal rainfall in October.
Is October 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 October
Temperatures trend during October in Chamonix-Mont-Blanc
October weather in Chamonix-Mont-Blanc day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. |  Sunny | 11° /3° | 10.1 mm | 0 cm | |
| 2 Oct. | Sunny | 11° /3° | 8.4 mm | 0 cm | |
| 3 Oct. |  Patchy rain possible | 9° /3° | 7.4 mm | 0 cm | |
| 4 Oct. | Patchy rain possible | 9° /2° | 5.8 mm | 0 cm | |
| 5 Oct. | Sunny | 8° /0° | 0.7 mm | 0 cm | |
| 6 Oct. | Sunny | 9° /1° | 1.2 mm | 0 cm | |
| 7 Oct. | Sunny | 14° /4° | 0 mm | 0 cm | |
| 8 Oct. | Sunny | 12° /4° | 6.4 mm | 0 cm | |
| 9 Oct. | Sunny | 14° /4° | 0.9 mm | 0 cm | |
| 10 Oct. | Sunny | 12° /3° | 9.8 mm | 0 cm | |
| 11 Oct. | Sunny | 13° /4° | 0 mm | 0 cm | |
| 12 Oct. | Sunny | 11° /4° | 2.8 mm | 0 cm | |
| 13 Oct. | Sunny | 13° /5° | 0.5 mm | 0 cm | |
| 14 Oct. |  Moderate or heavy rain with thunder | 10° /3° | 4.3 mm | 0 cm | |
| 15 Oct. | Patchy rain possible | 11° /3° | 0.3 mm | 0 cm | |
| 16 Oct. |  Overcast | 9° /2° | 0.9 mm | 0 cm | |
| 17 Oct. | Sunny | 10° /2° | 0.1 mm | 0 cm | |
| 18 Oct. | Patchy rain possible | 9° /1° | 4.1 mm | 0 cm | |
| 19 Oct. |  Patchy light rain | 9° /2° | 0.8 mm | 0 cm | |
| 20 Oct. |  Moderate rain | 7° /2° | 16.6 mm | 0 cm | |
| 21 Oct. | Patchy light drizzle | 7° /2° | 3.9 mm | 0 cm | |
| 22 Oct. |  Partly cloudy | 7° /2° | 5.8 mm | 0 cm | |
| 23 Oct. |  Patchy light rain with thunder | 8° /1° | 15.3 mm | 0.9 cm | |
| 24 Oct. | Moderate rain | 5° /0° | 6.7 mm | 1.5 cm | |
| 25 Oct. | Patchy light rain with thunder | 5° /1° | 14.3 mm | 0 cm | |
| 26 Oct. | Moderate rain | 4° /0° | 10.2 mm | 1 cm | |
| 27 Oct. | Patchy light rain with thunder | 3° /-1° | 19.5 mm | 1.8 cm | |
| 28 Oct. | Patchy rain possible | 6° /-2° | 0.1 mm | 0 cm | |
| 29 Oct. | Partly cloudy | 6° /0° | 0.4 mm | 0 cm | |
| 30 Oct. | Light rain | 7° /1° | 9.3 mm | 0 cm | |
| 31 Oct. | Sunny | 6° /0° | 0 mm | 0 cm | |
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Chamonix-Mont-Blanc weather in October vs September vs November
| September | October | November | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Sunny |
| Temperatures | 17°/2° | 13°/1° | 5°/-7° |
| Rainfall | 488 mm | 303 mm | 546 mm |
| Snowfall | 4 cm | 2 cm | 131 cm |
| Wind | 8.9 km/h | 9.9 km/h | 10.4 km/h |
| Humidity | 77% | 77% | 79% |
| Rainy days | 17 days | 5 days | 3 days |
| Snow days | 0 days | 0 days | 4 days |
| Dry days | 13 days | 26 days | 23 days |
Planning a trip to Chamonix-Mont-Blanc? Discover the best time to visit
Chamonix-Mont-Blanc in October - FAQ
What to pack to Chamonix-Mont-Blanc in October?
As you prepare for your trip to Chamonix-Mont-Blanc in October, 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 October, 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 October 2025
October rainfall patterns in Chamonix-Mont-Blanc
Quick links
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.