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Sillian, Austria

Full City Profile

3.6 /5.0
B+ Good
1,604 Population 214/sq mi density
3,996 ft Elevation 1,218 meters
37°F Avg Temperature 3°C
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$71,064 median income, unemployment
Sillian has a cool climate with an average annual temperature of 37°F (3°C). Winters average 23°F in January while summers reach 53°F in July. The area gets 254 sunny days per year. Annual precipitation totals 45.4 inches. The area receives 16.2 inches of snow annually.

Temperature

23°F Jan (-5°C) 53°F Jul (12°C)
Annual Average37.2°F
31% below US avg
January Average23°F (-5°C)
July Average53°F (12°C)
Sunny Days254 days/yr

Geography

Elevation3,996 ft (1,218 m)
Area7.5 sq mi (19.5 km²)
Population Density214/sq mi
Coordinates46.7528°N, 12.4211°W
TimezoneEurope/Vienna

Precipitation & Snow

Annual Rainfall 45.4"
20% above US avg
Snowfall 16.2"
Wettest Month (Jul) 6.02"
Driest Month (Jan) 2.09"

Air Quality

Earthquake History

768 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M2.7 on May 20, 2025.

Apr 12, 1998 5 km E of Kobarid, Slovenia M5.6 110 km
Jul 12, 2004 7 km NE of Kobarid, Slovenia M5.2 106 km
Feb 14, 2002 4 km SSW of Moggio di Sotto, Italy M4.7 71 km
Nov 11, 1990 5 km ENE of Cerkno, Slovenia M4.7 143 km
Jul 17, 2001 3 km NNE of Rifiano, Italy M4.7 93 km
May 6, 1998 6 km NNW of Tolmin, Slovenia M4.6 114 km
Jun 5, 1997 2 km ESE of Namlos, Austria M4.6 147 km
Oct 5, 1991 0 km W of Nimis, Italy M4.5 89 km
May 28, 1998 3 km WSW of Osoppo, Italy M4.5 74 km
Jun 9, 2012 5 km NE of Lamosano, Italy M4.5 61 km
May 13, 1999 2 km NW of Clodig, Italy M4.4 109 km
Jan 30, 2015 4 km W of Moggio di Sotto, Italy M4.4 67 km
Jul 13, 2020 9 km SSW of Forni di Sotto, Italy M4.3 50 km
Apr 15, 1998 7 km ESE of Kobarid, Slovenia M4.3 112 km
Oct 2, 1993 4 km WNW of Bordano, Italy M4.3 68 km
Jan 14, 2005 6 km NNE of Cerkno, Slovenia M4.3 137 km
Apr 20, 1994 5 km NE of Claut, Italy M4.3 52 km
Aug 29, 2004 1 km S of Enemonzo-Quinis, Italy M4.3 53 km
Oct 24, 1994 3 km ESE of Piazza, Italy M4.3 136 km
Mar 27, 2024 6 km ENE of Tramonti di Sopra, Italy M4.3 58 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 235.0 m (771 ft).

Year Location Cause Max Wave Deaths Distance
1963 VAJONT DAM, VAJONT RIVER Meteorological 235.0 m 2,000 55 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 2.1 in Coldest, Driest
February 24°F (-5°C) 2.1 in
March 28°F (-2°C) 2.7 in
April 34°F (1°C) 3.3 in
May 42°F (6°C) 4.5 in
June 49°F (9°C) 5.4 in
July 53°F (12°C) 6.0 in Warmest, Wettest
August 53°F (12°C) 5.6 in
September 47°F (8°C) 4.2 in
October 40°F (4°C) 3.7 in
November 30°F (-1°C) 3.5 in
December 24°F (-4°C) 2.4 in

Sillian has a seasonal temperature swing of 30°F / from 23°F in January to 53°F in July. Total annual precipitation is 45.4 inches, with July being the wettest month (6.0") and January the driest (2.1").

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