Grächen, Switzerland

Full City Profile

1,362 Population 40/sq mi density

5,305 ft Elevation 1,617 meters

30°F Avg Temperature -1°C

Grächen has a cool climate with an average annual temperature of 30°F (-1°C). Winters average 15°F in January while summers reach 46°F in July. The area gets 281 sunny days per year. Annual precipitation totals 42.7 inches. The area receives 179.5 inches of snow annually.

Temperature

15°F Jan (-9°C) 46°F Jul (8°C)

Annual Average	30.1°F
	44% below US avg
January Average	15°F (-9°C)
July Average	46°F (8°C)
Sunny Days	281 days/yr

Geography

Elevation	5,305 ft (1,617 m)
Area	34.5 sq mi (89.4 km²)
Population Density	40/sq mi
Coordinates	46.1953°N, 7.8375°W
Timezone	Europe/Zurich

Precipitation & Snow

Annual Rainfall 42.7"

12% above US avg

Snowfall 179.5"

Wettest Month (Oct) 3.27"

Driest Month (Jan) 2.52"

Air Quality

Earthquake History

899 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.7. Most recent: M0.0 on Jul 21, 2025.

Nov 20, 1991	1 km WSW of Churwalden, Switzerland	M4.7	144 km
Feb 14, 1999	3 km NNE of Belfaux, Switzerland	M4.7	91 km
Feb 17, 1992	4 km NNE of Scharans, Switzerland	M4.5	140 km
Aug 28, 1994	6 km SSW of Muotathal, Switzerland	M4.5	106 km
Mar 12, 2022	3 km S of Faverges, France	M4.5	131 km
Jul 15, 1996	3 km NE of Chilly, France	M4.5	145 km
Dec 14, 1994	7 km SSE of Amancy, France	M4.5	116 km
Nov 21, 1995	1 km SW of Collegno, Italy	M4.4	127 km
Jul 23, 1996	4 km W of Choisy, France	M4.4	143 km
Jun 14, 1993	3 km S of Vogogna, Italy	M4.4	43 km
Jul 25, 2011	5 km NW of Cantalupa, Italy	M4.4	142 km
May 24, 1995	7 km NE of Le Chenit, Switzerland	M4.4	127 km
Jun 30, 2010	3 km NW of Saint-Martin-de-Belleville, France	M4.3	137 km
Feb 11, 1990	northern Italy	M4.3	133 km
May 6, 2003	7 km WSW of Linthal, Switzerland	M4.3	113 km
Apr 29, 2003	2 km SSW of Varen, Switzerland	M4.3	22 km
Mar 31, 1996	7 km NNW of Bionaz, Italy	M4.3	45 km
Nov 16, 1995	1 km ENE of Einsiedeln, Switzerland	M4.3	126 km
Aug 22, 2003	6 km NNW of Savièse, Switzerland	M4.2	43 km
May 20, 1999	4 km SSE of Plaffeien, Switzerland	M4.2	70 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1601	LAKE LUCERNE	Eruption + Earthquake	4.0 m	8	84 km
1996	LAKE BRIENZ	Meteorological	0.5 m	—	60 km
563	LAKE GENEVA	Meteorological	—	—	80 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	15°F (-9°C)	2.5 in	Coldest, Driest
February	26°F (-3°C)	2.6 in
March	30°F (-1°C)	2.7 in
April	34°F (1°C)	2.8 in
May	43°F (6°C)	3.2 in
June	49°F (9°C)	3.2 in
July	46°F (8°C)	2.8 in
August	54°F (12°C)	3.2 in	Warmest
September	48°F (9°C)	2.6 in
October	41°F (5°C)	3.3 in	Wettest
November	32°F (-0°C)	3.0 in
December	27°F (-3°C)	2.6 in

Grächen has a seasonal temperature swing of 39°F / from 15°F in January to 54°F in August. Total annual precipitation is 34.6 inches, with October being the wettest month (3.3") and January the driest (2.5").

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