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Vrilissia, Greece

Full City Profile

2.9 /5.0
C+ Fair
30,741 Population 20,632/sq mi density
820 ft Elevation 250 meters
65°F Avg Temperature 18°C
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$33,804 median income, unemployment
Vrilissia enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 51°F in January while summers reach 85°F in July. The area gets 340 sunny days per year. Annual precipitation totals 18.6 inches. The area receives 5.3 inches of snow annually.

Temperature

51°F Jan (10°C) 85°F Jul (29°C)
Annual Average64.5°F
19% above US avg
January Average51°F (10°C)
July Average85°F (29°C)
Sunny Days340 days/yr

Geography

Elevation820 ft (250 m)
Area1.5 sq mi (3.9 km²)
Population Density20,632/sq mi
Coordinates38.0338°N, 23.8296°W
TimezoneEurope/Athens

Precipitation & Snow

Annual Rainfall 18.6"
51% below US avg
Snowfall 5.3"
Wettest Month (Dec) 3.27"
Driest Month (Jul) 0.31"

Air Quality

Earthquake History

3,435 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M5.0 on May 27, 2025.

Jul 26, 2001 32 km WNW of Skýros, Greece M6.5 120 km
Jun 15, 1995 8 km WNW of Galaxídhion, Greece M6.5 141 km
Jan 6, 2008 15 km WNW of Leonídio, Greece M6.2 135 km
Sep 7, 1999 5 km WNW of Fylí, Greece M6.0 22 km
Nov 18, 1992 10 km SE of Galaxídhion, Greece M5.9 124 km
Nov 5, 1997 10 km NW of Galaxídhion, Greece M5.6 142 km
Apr 4, 2014 36 km ESE of Ýdra, Greece M5.6 84 km
Jun 15, 1995 3 km E of Galaxídhion, Greece M5.4 129 km
Mar 30, 2019 2 km SE of Galaxídhion, Greece M5.3 131 km
Jun 9, 2015 13 km E of Malesína, Greece M5.3 76 km
Jul 19, 2019 1 km NNE of Magoúla, Greece M5.3 28 km
Sep 16, 2013 9 km NNW of Eláteia, Greece M5.3 122 km
Aug 7, 2013 9 km NW of Eláteia, Greece M5.3 123 km
Oct 9, 2010 14 km NE of Xylókastro, Greece M5.1 96 km
Jun 18, 2008 4 km NNW of Ayía Triás, Greece M5.1 101 km
Oct 11, 2017 32 km E of Patitírion, Greece M5.1 131 km
May 27, 2025 13 km S of Antikyra, Greece M5.0 106 km
Jul 30, 2001 16 km ESE of Patitírion, Greece M5.0 119 km
Feb 4, 1993 15 km S of Antikyra, Greece M5.0 104 km
Sep 22, 2012 8 km NNE of Káto Dhiminió, Greece M5.0 93 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

15 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1965 NORTH CORINTH GULF Eruption + Earthquake 3.0 m 2 119 km
1894 NORTH EVOIKOS GULF Eruption + Earthquake 3.0 m 98 km
1861 CORINTH GULF Eruption + Earthquake 2.1 m 144 km
2008 SW. CORINTH GULF Unknown 2.0 m 144 km
1981 GULF OF CORINTH Earthquake 1.3 m 51 km
1995 GULF OF CORINTH: AIYION Eruption + Earthquake 1.0 m 26 141 km
1981 ATHENS-EASTERN GULF OF CORINTH Earthquake 1.0 m 22 81 km
1928 CORINTHOS-PATRAS GULF Earthquake 0.6 m 20 73 km
1992 CORINTH GULF Earthquake 114 km
1862 IONIAN SEA Earthquake 140 km
1853 CENTRAL GREECE (EVOIKOS GULF) Earthquake 17 38 km
1794 CORINTH GULF Eruption + Earthquake 137 km
1402 GULF OF CORINTH Earthquake 125 km
-373 CORINTHOS-PATRAS GULF Eruption + Earthquake 140 km
-426 CORINTHOS-PATRAS GULF Earthquake 2,500 138 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Methana (64 km).

Name Type Elevation Last Eruption Distance
Methana Lava dome(s) 760 m (2,493 ft) -258 64 km
Milos Stratovolcano(es) 751 m (2,464 ft) 140 158 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (10°C) 2.5 in
February 46°F (8°C) 2.4 in Coldest
March 50°F (10°C) 2.4 in
April 57°F (14°C) 1.4 in
May 65°F (19°C) 0.9 in
June 74°F (23°C) 0.5 in
July 85°F (29°C) 0.3 in Warmest, Driest
August 77°F (25°C) 0.4 in
September 71°F (22°C) 0.6 in
October 63°F (17°C) 2.1 in
November 55°F (13°C) 2.6 in
December 49°F (9°C) 3.3 in Wettest

Vrilissia has a seasonal temperature swing of 38°F / from 46°F in February to 85°F in July. Total annual precipitation is 19.3 inches, with December being the wettest month (3.3") and July the driest (0.3").

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