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Riviera, Switzerland

Full City Profile

4,262 Population 393/sq mi density
699 ft Elevation 213 meters
55°F Avg Temperature 13°C
Riviera experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 71°F in July. The area gets 296 sunny days per year. Annual precipitation totals 71.6 inches. The area receives 9.9 inches of snow annually.

Temperature

40°F Jan (4°C) 71°F Jul (22°C)
Annual Average54.9°F
2% above US avg
January Average40°F (4°C)
July Average71°F (22°C)
Sunny Days296 days/yr

Geography

Elevation699 ft (213 m)
Area10.9 sq mi (28.1 km²)
Population Density393/sq mi
Coordinates46.1309°N, 8.7172°W
TimezoneEurope/Zurich

Precipitation & Snow

Annual Rainfall 71.6"
88% above US avg
Snowfall 9.9"
Wettest Month (May) 6.06"
Driest Month (Feb) 2.52"

Air Quality

Earthquake History

928 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.0. Most recent: M0.0 on Jul 21, 2025.

Apr 11, 2003 1 km SSW of Carezzano Maggiore, Italy M5.0 150 km
Aug 21, 2000 1 km WNW of Oviglio, Italy M4.9 142 km
Oct 29, 1995 0 km WNW of Adro, Italy M4.9 111 km
Dec 29, 1999 12 km N of Isolaccia, Italy M4.8 133 km
Nov 20, 1991 1 km WSW of Churwalden, Switzerland M4.7 95 km
Feb 14, 1999 3 km NNE of Belfaux, Switzerland M4.7 145 km
Jul 18, 2001 3 km S of Masio, Italy M4.7 146 km
Jan 4, 2009 3 km S of Wildhaus, Switzerland M4.5 126 km
Apr 6, 2000 11 km WSW of Tubre, Italy M4.5 135 km
Oct 1, 2001 11 km WSW of Tubre, Italy M4.5 134 km
Aug 28, 1994 6 km SSW of Muotathal, Switzerland M4.5 88 km
Feb 17, 1992 4 km NNE of Scharans, Switzerland M4.5 91 km
May 15, 1992 1 km W of Sennwald, Switzerland M4.4 139 km
May 8, 1992 0 km NNW of Sennwald, Switzerland M4.4 140 km
Jun 14, 1993 3 km S of Vogogna, Italy M4.4 37 km
May 8, 1992 2 km WSW of Sennwald, Switzerland M4.4 137 km
Nov 21, 1995 1 km SW of Collegno, Italy M4.4 149 km
Nov 22, 1997 4 km SSW of Krummenau, Switzerland M4.4 124 km
Apr 29, 2003 2 km SSW of Varen, Switzerland M4.3 88 km
Mar 31, 1996 7 km NNW of Bionaz, Italy M4.3 104 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 27 128 km
1601 LAKE LUCERNE Eruption + Earthquake 4.0 m 8 76 km
1996 LAKE BRIENZ Meteorological 0.5 m 88 km
563 LAKE GENEVA Meteorological 148 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (4°C) 2.9 in
February 37°F (3°C) 2.5 in Driest
March 43°F (6°C) 3.6 in
April 48°F (9°C) 4.8 in
May 56°F (13°C) 6.1 in Wettest
June 62°F (17°C) 5.9 in
July 71°F (22°C) 4.7 in Warmest
August 66°F (19°C) 5.6 in
September 60°F (15°C) 5.4 in
October 51°F (10°C) 5.3 in
November 42°F (5°C) 3.9 in
December 36°F (2°C) 2.7 in Coldest

Riviera has a seasonal temperature swing of 35°F / from 36°F in December to 71°F in July. Total annual precipitation is 53.3 inches, with May being the wettest month (6.1") and February the driest (2.5").

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