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Sumiswald, Switzerland

Full City Profile

5,159 Population 201/sq mi density
2,306 ft Elevation 703 meters
49°F Avg Temperature 10°C
Sumiswald experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 32°F in January while summers reach 66°F in July. The area gets 267 sunny days per year. Annual precipitation totals 53.7 inches. The area receives 26.1 inches of snow annually.

Temperature

32°F Jan (0°C) 66°F Jul (19°C)
Annual Average49.3°F
9% below US avg
January Average32°F (0°C)
July Average66°F (19°C)
Sunny Days267 days/yr

Geography

Elevation2,306 ft (703 m)
Area25.6 sq mi (66.4 km²)
Population Density201/sq mi
Coordinates47.0275°N, 7.7453°W
TimezoneEurope/Zurich

Precipitation & Snow

Annual Rainfall 53.7"
41% above US avg
Snowfall 26.1"
Wettest Month (Jun) 5.43"
Driest Month (Mar) 3.35"

Air Quality

Earthquake History

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

Feb 14, 1999 3 km NNE of Belfaux, Switzerland M4.7 51 km
Nov 20, 1991 1 km WSW of Churwalden, Switzerland M4.7 138 km
Aug 28, 1994 6 km SSW of Muotathal, Switzerland M4.5 77 km
Feb 17, 1992 4 km NNE of Scharans, Switzerland M4.5 135 km
Jan 4, 2009 3 km S of Wildhaus, Switzerland M4.5 123 km
Nov 22, 1997 4 km SSW of Krummenau, Switzerland M4.4 109 km
May 15, 1992 1 km W of Sennwald, Switzerland M4.4 134 km
May 8, 1992 2 km WSW of Sennwald, Switzerland M4.4 133 km
Feb 23, 2004 5 km SSE of Roulans, France M4.4 115 km
May 8, 1992 0 km NNW of Sennwald, Switzerland M4.4 135 km
Jun 14, 1993 3 km S of Vogogna, Italy M4.4 124 km
Mar 22, 2023 1 km NW of Pont-de-Roide, France M4.4 85 km
May 24, 1995 7 km NE of Le Chenit, Switzerland M4.4 117 km
May 6, 2003 7 km WSW of Linthal, Switzerland M4.3 89 km
Nov 16, 1995 1 km ENE of Einsiedeln, Switzerland M4.3 78 km
Mar 31, 1996 7 km NNW of Bionaz, Italy M4.3 124 km
Apr 29, 2003 2 km SSW of Varen, Switzerland M4.3 82 km
Aug 22, 2003 6 km NNW of Savièse, Switzerland M4.2 88 km
Aug 24, 1996 1 km E of Sirnach, Switzerland M4.2 107 km
Jun 28, 2004 2 km NNW of Brugg, Switzerland M4.2 63 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 63 km
1996 LAKE BRIENZ Meteorological 0.5 m 37 km
563 LAKE GENEVA Meteorological 102 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (0°C) 3.4 in Coldest
February 34°F (1°C) 3.5 in
March 39°F (4°C) 3.4 in Driest
April 45°F (7°C) 3.9 in
May 53°F (12°C) 4.6 in
June 58°F (14°C) 5.4 in Wettest
July 66°F (19°C) 4.9 in Warmest
August 62°F (17°C) 4.8 in
September 56°F (13°C) 3.8 in
October 48°F (9°C) 3.9 in
November 38°F (4°C) 4.2 in
December 33°F (1°C) 3.9 in

Sumiswald has a seasonal temperature swing of 33°F / from 32°F in January to 66°F in July. Total annual precipitation is 49.8 inches, with June being the wettest month (5.4") and March the driest (3.4").

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