Romanshorn, Switzerland

Full City Profile

8,956 Population 2,658/sq mi density

1,316 ft Elevation 401 meters

54°F Avg Temperature 12°C

Romanshorn experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 38°F in January while summers reach 70°F in July. The area gets 244 sunny days per year. Annual precipitation totals 71.8 inches. The area receives 37.0 inches of snow annually.

Temperature

38°F Jan (3°C) 70°F Jul (21°C)

Annual Average	53.8°F
	0% below US avg
January Average	38°F (3°C)
July Average	70°F (21°C)
Sunny Days	244 days/yr

Geography

Elevation	1,316 ft (401 m)
Area	3.4 sq mi (8.7 km²)
Population Density	2,658/sq mi
Coordinates	47.5659°N, 9.3787°W
Timezone	Europe/Zurich

Precipitation & Snow

Annual Rainfall 71.8"

89% above US avg

Snowfall 37.0"

Wettest Month (Jun) 4.96"

Driest Month (Jan) 2.13"

Air Quality

Earthquake History

641 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M0.0 on Jun 27, 2024.

Dec 29, 1999	12 km N of Isolaccia, Italy	M4.8	128 km
Nov 20, 1991	1 km WSW of Churwalden, Switzerland	M4.7	88 km
Mar 31, 1994	2 km W of Warth, Austria	M4.7	68 km
Mar 22, 2003	2 km WSW of Albstadt, Germany	M4.7	77 km
Jun 5, 1997	2 km ESE of Namlos, Austria	M4.6	102 km
Apr 6, 2000	11 km WSW of Tubre, Italy	M4.5	129 km
Aug 28, 1994	6 km SSW of Muotathal, Switzerland	M4.5	87 km
Jan 4, 2009	3 km S of Wildhaus, Switzerland	M4.5	44 km
Oct 1, 2001	11 km WSW of Tubre, Italy	M4.5	128 km
Feb 17, 1992	4 km NNE of Scharans, Switzerland	M4.5	91 km
May 8, 1992	0 km NNW of Sennwald, Switzerland	M4.4	35 km
Nov 22, 1997	4 km SSW of Krummenau, Switzerland	M4.4	43 km
May 15, 1992	1 km W of Sennwald, Switzerland	M4.4	35 km
May 8, 1992	2 km WSW of Sennwald, Switzerland	M4.4	36 km
Dec 31, 1999	11 km WSW of Tubre, Italy	M4.3	129 km
May 6, 2003	7 km WSW of Linthal, Switzerland	M4.3	82 km
Nov 16, 1995	1 km ENE of Einsiedeln, Switzerland	M4.3	67 km
Jun 28, 2004	2 km NNW of Brugg, Switzerland	M4.2	89 km
May 12, 2005	1 km NW of Oensingen, Switzerland	M4.2	130 km
Dec 30, 1992	2 km SW of Ühlingen-Birkendorf, Germany	M4.2	83 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 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	108 km
1996	LAKE BRIENZ	Meteorological	0.5 m	—	141 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	38°F (3°C)	2.1 in	Driest
February	36°F (2°C)	2.3 in	Coldest
March	42°F (5°C)	2.3 in
April	48°F (9°C)	3.2 in
May	57°F (14°C)	3.9 in
June	62°F (17°C)	5.0 in	Wettest
July	70°F (21°C)	4.9 in	Warmest
August	66°F (19°C)	4.5 in
September	59°F (15°C)	3.4 in
October	50°F (10°C)	2.9 in
November	41°F (5°C)	3.2 in
December	36°F (2°C)	2.7 in

Romanshorn has a seasonal temperature swing of 34°F / from 36°F in February to 70°F in July. Total annual precipitation is 40.4 inches, with June being the wettest month (5.0") and January the driest (2.1").

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