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Río, Greece

Full City Profile

2.6 /5.0
C+ Fair
4,664 Population 123/sq mi density
108 ft Elevation 33 meters
59°F Avg Temperature 15°C
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$17,280 median income, unemployment
Río enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 45°F in January while summers reach 75°F in July. The area gets 284 sunny days per year. Annual precipitation totals 28.7 inches. The area receives 0.0 inches of snow annually.

Temperature

45°F Jan (7°C) 75°F Jul (24°C)
Annual Average59.4°F
10% above US avg
January Average45°F (7°C)
July Average75°F (24°C)
Sunny Days284 days/yr

Geography

Elevation108 ft (33 m)
Area37.8 sq mi (97.9 km²)
Population Density123/sq mi
Coordinates38.2956°N, 21.7850°W
TimezoneEurope/Athens

Precipitation & Snow

Annual Rainfall 28.7"
24% below US avg
Snowfall 0.0"
Wettest Month (Nov) 5.04"
Driest Month (Jul) 0.43"

Air Quality

Earthquake History

9,097 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.3 on Aug 18, 2025.

Nov 18, 1997 22 km SW of Lithakiá, Greece M6.6 128 km
Jun 15, 1995 8 km WNW of Galaxídhion, Greece M6.5 45 km
Jun 8, 2008 15 km ESE of Várda, Greece M6.4 43 km
Aug 14, 2003 8 km S of Kanaláki, Greece M6.3 140 km
Jan 6, 2008 15 km WNW of Leonídio, Greece M6.2 144 km
Jan 26, 2014 1 km ENE of Lixoúri, Greece M6.1 117 km
Feb 3, 2014 8 km NNW of Lixoúri, Greece M6.0 122 km
Nov 18, 1992 10 km SE of Galaxídhion, Greece M5.9 58 km
Mar 29, 2024 34 km WNW of Filiatrá, Greece M5.8 118 km
Nov 3, 2009 38 km SW of Lithakiá, Greece M5.8 144 km
Mar 18, 1993 11 km NNE of Témeni, Greece M5.8 33 km
Mar 25, 2007 15 km N of Lixoúri, Greece M5.7 119 km
Apr 12, 2006 16 km SE of Lithakiá, Greece M5.7 106 km
Jan 26, 2014 8 km WNW of Sámi, Greece M5.6 107 km
Nov 5, 1997 10 km NW of Galaxídhion, Greece M5.6 46 km
Jan 23, 1992 19 km NNW of Lixoúri, Greece M5.6 128 km
May 26, 2000 10 km WSW of Préveza, Greece M5.6 122 km
Mar 1, 2004 6 km ESE of Arfará, Greece M5.6 132 km
Jul 14, 1993 2 km SE of Pátra, Greece M5.6 8 km
Aug 14, 2003 11 km W of Lefkáda, Greece M5.5 121 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).

Year Location Cause Max Wave Deaths Distance
1963 CORINTH GULF Meteorological 6.0 m 2 21 km
1817 CORINTHOS-PATRAS GULF Earthquake 5.0 m 28 km
1965 NORTH CORINTH GULF Eruption + Earthquake 3.0 m 2 67 km
1894 NORTH EVOIKOS GULF Eruption + Earthquake 3.0 m 123 km
1861 CORINTH GULF Eruption + Earthquake 2.1 m 38 km
2008 SW. CORINTH GULF Unknown 2.0 m 38 km
1996 W. CORINTH GULF Meteorological 2.0 m 27 km
2018 IONIAN SEA Earthquake 1.5 m 138 km
1981 GULF OF CORINTH Earthquake 1.3 m 132 km
1995 GULF OF CORINTH: AIYION Eruption + Earthquake 1.0 m 26 45 km
1981 ATHENS-EASTERN GULF OF CORINTH Earthquake 1.0 m 22 101 km
1953 IONIAN SEA Earthquake 1.0 m 106 km
1948 IONIAN SEA Earthquake 1.0 m 7 121 km
1899 IONIAN SEA Earthquake 1.0 m 116 km
1928 CORINTHOS-PATRAS GULF Earthquake 0.6 m 20 111 km
2003 IONIAN SEA Earthquake 0.5 m 140 km
1898 IONIAN ISLANDS Earthquake 0.4 m 92 km
2015 IONIAN SEA Eruption + Earthquake 0.2 m 2 111 km
2018 ISLAND OF ZAKYNTHOS Meteorological 113 km
1992 CORINTH GULF Earthquake 71 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Methana (156 km).

Name Type Elevation Last Eruption Distance
Methana Lava dome(s) 760 m (2,493 ft) -258 156 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 45°F (7°C) 3.6 in Coldest
February 46°F (8°C) 3.6 in
March 49°F (10°C) 2.8 in
April 55°F (13°C) 2.1 in
May 63°F (17°C) 1.2 in
June 71°F (22°C) 0.6 in
July 75°F (24°C) 0.4 in Warmest, Driest
August 75°F (24°C) 0.5 in
September 70°F (21°C) 1.2 in
October 62°F (17°C) 3.2 in
November 53°F (12°C) 5.0 in Wettest
December 48°F (9°C) 4.6 in

Río has a seasonal temperature swing of 30°F / from 45°F in January to 75°F in July. Total annual precipitation is 28.7 inches, with November being the wettest month (5.0") and July the driest (0.4").

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