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Sežana, Slovenia

Full City Profile

6,037 Population 72/sq mi density
1,214 ft Elevation 370 meters
52°F Avg Temperature 11°C
Sežana experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 36°F in January while summers reach 69°F in July. The area gets 218 sunny days per year. Annual precipitation totals 65.2 inches. The area receives 4.7 inches of snow annually.

Temperature

36°F Jan (2°C) 69°F Jul (20°C)
Annual Average51.9°F
4% below US avg
January Average36°F (2°C)
July Average69°F (20°C)
Sunny Days218 days/yr

Geography

Elevation1,214 ft (370 m)
Area83.9 sq mi (217.4 km²)
Population Density72/sq mi
Coordinates45.7092°N, 13.8733°W
TimezoneEurope/Ljubljana

Precipitation & Snow

Annual Rainfall 65.2"
72% above US avg
Snowfall 4.7"
Wettest Month (Nov) 7.40"
Driest Month (Feb) 3.62"

Air Quality

Earthquake History

1,090 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M0.0 on Jan 12, 2025.

Apr 12, 1998 5 km E of Kobarid, Slovenia M5.6 62 km
Mar 13, 1998 4 km NW of Ilirska Bistrica, Slovenia M5.2 28 km
Jul 12, 2004 7 km NE of Kobarid, Slovenia M5.2 68 km
May 29, 1993 1 km SE of ?rnomelj, Slovenia M5.1 105 km
May 22, 1995 6 km NNW of Ilirska Bistrica, Slovenia M4.9 29 km
Feb 5, 2007 11 km ESE of Novi Vinodolski, Croatia M4.9 106 km
Feb 14, 2002 4 km SSW of Moggio di Sotto, Italy M4.7 92 km
Nov 11, 1990 5 km ENE of Cerkno, Slovenia M4.7 50 km
Feb 16, 2023 3 km W of Baška, Croatia M4.7 105 km
Jun 2, 2002 6 km SSE of Pivka, Slovenia M4.6 29 km
May 6, 1998 6 km NNW of Tolmin, Slovenia M4.6 60 km
Jan 17, 2003 4 km SSE of Punat, Croatia M4.6 101 km
Apr 22, 2014 7 km SE of Pivka, Slovenia M4.5 31 km
Oct 5, 1991 0 km W of Nimis, Italy M4.5 73 km
May 28, 1998 3 km WSW of Osoppo, Italy M4.5 87 km
Jun 9, 2012 5 km NE of Lamosano, Italy M4.5 124 km
Jan 30, 2015 4 km W of Moggio di Sotto, Italy M4.4 96 km
Apr 24, 2005 0 km NNW of Ilirska Bistrica, Slovenia M4.4 33 km
Mar 13, 2014 9 km E of Ribnica, Slovenia M4.4 76 km
May 13, 1999 2 km NW of Clodig, Italy M4.4 57 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 2,000 135 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 36°F (2°C) 4.7 in Coldest
February 38°F (3°C) 3.6 in Driest
March 42°F (6°C) 4.7 in
April 49°F (9°C) 5.4 in
May 57°F (14°C) 5.3 in
June 64°F (18°C) 6.1 in
July 69°F (20°C) 4.1 in
August 70°F (21°C) 4.8 in Warmest
September 62°F (17°C) 5.9 in
October 55°F (13°C) 6.9 in
November 45°F (7°C) 7.4 in Wettest
December 38°F (3°C) 6.4 in

Sežana has a seasonal temperature swing of 34°F / from 36°F in January to 70°F in August. Total annual precipitation is 65.2 inches, with November being the wettest month (7.4") and February the driest (3.6").

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