Sils-Segl Maria, Switzerland

Full City Profile

735 Population 52/sq mi density

5,945 ft Elevation 1,812 meters

30°F Avg Temperature -1°C

Sils-Segl Maria has a cool climate with an average annual temperature of 30°F (-1°C). Winters average 17°F in January while summers reach 45°F in July. The area gets 263 sunny days per year. Annual precipitation totals 40.3 inches. The area receives 23.7 inches of snow annually.

Temperature

17°F Jan (-9°C) 45°F Jul (7°C)

Annual Average	29.9°F
	45% below US avg
January Average	17°F (-9°C)
July Average	45°F (7°C)
Sunny Days	263 days/yr

Geography

Elevation	5,945 ft (1,812 m)
Area	14.0 sq mi (36.3 km²)
Population Density	52/sq mi
Coordinates	46.4289°N, 9.7636°W
Timezone	Europe/Zurich

Precipitation & Snow

Annual Rainfall 40.3"

6% above US avg

Snowfall 23.7"

Wettest Month (Aug) 4.33"

Driest Month (Feb) 2.09"

Air Quality

Earthquake History

628 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M0.0 on May 20, 2025.

Oct 29, 1995	0 km WNW of Adro, Italy	M4.9	91 km
Dec 29, 1999	12 km N of Isolaccia, Italy	M4.8	46 km
Mar 31, 1994	2 km W of Warth, Austria	M4.7	96 km
Nov 20, 1991	1 km WSW of Churwalden, Switzerland	M4.7	43 km
Jul 17, 2001	3 km NNE of Rifiano, Italy	M4.7	115 km
Jun 5, 1997	2 km ESE of Namlos, Austria	M4.6	124 km
Feb 17, 1992	4 km NNE of Scharans, Switzerland	M4.5	42 km
Aug 28, 1994	6 km SSW of Muotathal, Switzerland	M4.5	95 km
Jan 4, 2009	3 km S of Wildhaus, Switzerland	M4.5	89 km
Apr 6, 2000	11 km WSW of Tubre, Italy	M4.5	48 km
Oct 1, 2001	11 km WSW of Tubre, Italy	M4.5	47 km
May 8, 1992	2 km WSW of Sennwald, Switzerland	M4.4	94 km
Jun 14, 1993	3 km S of Vogogna, Italy	M4.4	123 km
Nov 22, 1997	4 km SSW of Krummenau, Switzerland	M4.4	98 km
May 15, 1992	1 km W of Sennwald, Switzerland	M4.4	95 km
May 8, 1992	0 km NNW of Sennwald, Switzerland	M4.4	95 km
Nov 16, 1995	1 km ENE of Einsiedeln, Switzerland	M4.3	109 km
Dec 31, 1999	11 km WSW of Tubre, Italy	M4.3	47 km
May 6, 2003	7 km WSW of Linthal, Switzerland	M4.3	84 km
Feb 22, 2021	2 km SSE of Brentonico, Italy	M4.3	116 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 95.0 m (312 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1987	VALTELLINA	Meteorological	95.0 m	27	45 km
1601	LAKE LUCERNE	Eruption + Earthquake	4.0 m	8	105 km
1996	LAKE BRIENZ	Meteorological	0.5 m	—	141 km
1868	LAKE GARDA	Earthquake	—	—	109 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	17°F (-9°C)	2.7 in	Coldest
February	17°F (-9°C)	2.1 in	Driest
March	21°F (-6°C)	2.8 in
April	25°F (-4°C)	3.2 in
May	34°F (1°C)	3.5 in
June	40°F (4°C)	4.1 in
July	45°F (7°C)	4.3 in
August	45°F (7°C)	4.3 in	Warmest, Wettest
September	40°F (4°C)	3.9 in
October	33°F (1°C)	3.6 in
November	24°F (-5°C)	3.2 in
December	19°F (-7°C)	2.7 in

Sils-Segl Maria has a seasonal temperature swing of 28°F / from 17°F in January to 45°F in August. Total annual precipitation is 40.3 inches, with August being the wettest month (4.3") and February the driest (2.1").

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