Chamonix-Mont-Blanc, France

Full City Profile

1.9 /5.0

D Poor

10,614 Population 236/sq mi density

3,478 ft Elevation 1,060 meters

31°F Avg Temperature -1°C

Overall

1.9 / 5.0

Below average overall score based on economy, affordability, safety and education

C+

Economy

2.8 / 5.0

$26,255 median income, 3.5% unemployment

Affordability

1.0 / 5.0

$277,000 home value, $1,385/mo rent

Chamonix-Mont-Blanc has a cool climate with an average annual temperature of 31°F (-1°C). Winters average 19°F in January while summers reach 45°F in July. The area gets 232 sunny days per year. Annual precipitation totals 57.4 inches. The area receives 42.0 inches of snow annually.

Temperature

19°F Jan (-7°C) 45°F Jul (7°C)

Annual Average	31.0°F
	43% below US avg
January Average	19°F (-7°C)
July Average	45°F (7°C)
Sunny Days	232 days/yr

Geography

Elevation	3,478 ft (1,060 m)
Area	45.0 sq mi (116.5 km²)
Population Density	236/sq mi
Coordinates	45.9238°N, 6.8693°W
Timezone	Europe/Paris

Precipitation & Snow

Annual Rainfall 57.4"

51% above US avg

Snowfall 42.0"

Wettest Month (Nov) 5.91"

Driest Month (Jul) 3.62"

Air Quality

Earthquake History

1,181 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M4.1 on Jul 21, 2025.

Apr 7, 2014	7 km SE of Guillestre, France	M4.8	147 km
Feb 14, 1999	3 km NNE of Belfaux, Switzerland	M4.7	105 km
Feb 11, 1991	5 km ESE of Briançon, France	M4.6	118 km
Dec 14, 1994	7 km SSE of Amancy, France	M4.5	41 km
Jul 15, 1996	3 km NE of Chilly, France	M4.5	70 km
Mar 12, 2022	3 km S of Faverges, France	M4.5	51 km
Jul 23, 1996	4 km W of Choisy, France	M4.4	67 km
Nov 21, 1995	1 km SW of Collegno, Italy	M4.4	109 km
Jun 14, 1993	3 km S of Vogogna, Italy	M4.4	111 km
Jul 25, 2011	5 km NW of Cantalupa, Italy	M4.4	110 km
May 24, 1995	7 km NE of Le Chenit, Switzerland	M4.4	91 km
Jun 30, 2010	3 km NW of Saint-Martin-de-Belleville, France	M4.3	65 km
Feb 11, 1990	northern Italy	M4.3	117 km
Apr 29, 2003	2 km SSW of Varen, Switzerland	M4.3	70 km
Mar 31, 1996	7 km NNW of Bionaz, Italy	M4.3	41 km
Jun 10, 2003	1 km NNE of Piobesi Torinese, Italy	M4.2	140 km
Jan 11, 1999	2 km W of Saint-Paul-de-Varces, France	M4.2	136 km
Jul 30, 2016	0 km SSW of Fleccia-Chianavasso, Italy	M4.2	113 km
May 14, 2004	0 km SSE of Chiusa di San Michele, Italy	M4.2	98 km
May 20, 1999	4 km SSE of Plaffeien, Switzerland	M4.2	92 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 0.5 m (2 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1996	LAKE BRIENZ	Meteorological	0.5 m	—	123 km
563	LAKE GENEVA	Meteorological	—	—	49 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	19°F (-7°C)	5.5 in
February	19°F (-7°C)	5.4 in	Coldest
March	21°F (-6°C)	5.1 in
April	24°F (-4°C)	4.7 in
May	33°F (1°C)	4.7 in
June	39°F (4°C)	4.2 in
July	45°F (7°C)	3.6 in	Driest
August	47°F (8°C)	3.9 in	Warmest
September	41°F (5°C)	3.8 in
October	35°F (1°C)	4.9 in
November	26°F (-3°C)	5.9 in	Wettest
December	22°F (-6°C)	5.8 in

Chamonix-Mont-Blanc has a seasonal temperature swing of 28°F / from 19°F in February to 47°F in August. Total annual precipitation is 57.4 inches, with November being the wettest month (5.9") and July the driest (3.6").

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