Chamonix-Mont-Blanc Weather in October
With daytime temperatures of 10°C (50°F) and nighttime lows of -1°C (30°F), October in Chamonix-Mont-Blanc brings low temperatures during the day. It is also the driest month of the year, with minimal snow/rainfall.
Rainfall in Chamonix-Mont-Blanc in October
This month is a reliable choice for exploring, with the driest conditions of the year, even if you'll need to dress for cooler weather. Records from the past 30 years suggest around 14 days of snow/rain, with 119 mm (4.7 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Chamonix-Mont-Blanc in October
If you're visiting Chamonix-Mont-Blanc in October, expect highs of 10°C (50°F) and overnight lows around -1°C (30°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.
Sunshine in Chamonix-Mont-Blanc in October
The area enjoys a moderate level of sunlight, with around 160 hours. It's a good balance between sunny and cloudy days.October in Chamonix-Mont-Blanc has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Chamonix-Mont-Blanc's climate page.
Chamonix-Mont-Blanc Temperature in October
Min Temperature
-1°C (30°F)
Max Temperature
10°C (50°F)
Chance of Rain
47%
Precipitation
119 mm (4.7 in)
Rainy days
14 days
Sunshine
160 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chamonix-Mont-Blanc typically drop from around 16°C (61°F) at the start of October to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Chamonix-Mont-Blanc in October
Browse day-by-day weather records for Chamonix-Mont-Blanc spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chamonix-Mont-Blanc historical weather extremes in October
The extremes listed below come from historical weather data collected in Chamonix-Mont-Blanc from 1976 through 2025.
- The hottest October day on record in Chamonix-Mont-Blanc reached 29°C (84°F) (October 1, 1997).
- Chamonix-Mont-Blanc experienced its chilliest October day on October 24, 2003, reaching only -1°C (30°F).
- The lowest overnight temperature recorded in October was -8°C (18°F) (October 21, 1991).
- The heaviest October precipitation occurred on October 15, 2019, when 67 mm (2.6 in) of precipitation fell.
Best Places in France in October
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in October →
perfect weather
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tolerable
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What to Wear in Chamonix-Mont-Blanc in October
Cold weather calls for smart layering in October. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Chamonix-Mont-Blanc in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Chamonix-Mont-Blanc's climate page.
See the full Chamonix-Mont-Blanc climate overview or explore weather in France.
