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Chamonix-Mont-Blanc Weather in March
In Chamonix-Mont-Blanc, March brings low daytime temperatures around 3°C (37°F), with nights cooling to -7°C (19°F). Expect quite a bit of snow/rainfall this month.
Rainfall in Chamonix-Mont-Blanc in March
Records from the past 30 years suggest around 17 days of snow/rain, with 128 mm (5 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Chamonix-Mont-Blanc in March
Chamonix-Mont-Blanc in March gets highs of 3°C (37°F) during the day and drops to -7°C (19°F) at night. Expect a distinctly cold feel throughout the day, not just overnight. With overnight lows of -7°C (19°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. With temperatures this low, you'll need to dress warmly. Staying prepared is crucial to avoid the discomfort of the cold.
Sunshine in Chamonix-Mont-Blanc in March
The area experiences a moderate amount of sunshine, with approximately 175 hours of sunlight expected. This means a decent mix of sun and overcast.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Chamonix-Mont-Blanc. Our weather planner can help you explore destinations with more pleasant weather conditions.
Chamonix-Mont-Blanc Temperature in March
Min Temperature
-7°C (19°F)
Max Temperature
3°C (37°F)
Chance of Rain
58%
Precipitation
128 mm (5 in)
Rainy days
17 days
Sunshine
175 hours
Percentage Sunshine
Chamonix-Mont-Blanc Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chamonix-Mont-Blanc - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chamonix-Mont-Blanc typically rise from around 7°C (45°F) at the start of March to approximately 10°C (50°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 1°C (34°F).
Average temperatures in March
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 March
Historical weather records for Chamonix-Mont-Blanc in March
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 March
Based on weather observations in Chamonix-Mont-Blanc between 1976 and 2026, these are the recorded extremes during March.
- Chamonix-Mont-Blanc experienced its chilliest March day on March 9, 2010, reaching only -8°C (18°F).
- The lowest overnight temperature recorded in March was -20°C (-4°F) (March 3, 1996).
- The wettest day in March Chamonix-Mont-Blanc was on March 30, 2015 with 65 mm (2.6 in) of precipitation.
Best Places in France in March
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in March →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chamonix-Mont-Blanc in March
We recommend to layer up for chilly conditions in Chamonix-Mont-Blanc in March. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Chamonix-Mont-Blanc in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling3/10 -
Walking3/10 -
Camping1/10 -
Outdoor sports3/10
Chamonix-Mont-Blanc 3-Day Forecast
More climate data for Chamonix-Mont-Blanc
See the full Chamonix-Mont-Blanc climate overview or explore weather in France.
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Where to go in March - average daytime high across popular destinations.
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