Kos, Greece

Full City Profile

21,430 Population 826/sq mi density
33 ft Elevation 10 meters
65°F Avg Temperature 19°C
Kos enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 51°F in January while summers reach 81°F in July. Annual precipitation totals 29.1 inches. The area receives 0.0 inches of snow annually.

Temperature

51°F Jan (11°C) 81°F Jul (27°C)
Annual Average65.4°F
21% above US avg
January Average51°F (11°C)
July Average81°F (27°C)

Geography

Elevation33 ft (10 m)
Area26.0 sq mi (67.2 km²)
Population Density826/sq mi
Coordinates36.8930°N, 27.2877°E
TimezoneEurope/Athens

Precipitation & Snow

Annual Rainfall 29.1"
23% below US avg
Snowfall 0.0"
Wettest Month (Jan) 6.34"
Driest Month (Jul) 0.04"

Air Quality

Earthquake History

2,931 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.1 on Aug 22, 2025.

Jul 20, 2017 11 km ENE of Kos, Greece M6.6 12 km
Jul 15, 2008 35 km SSW of Lárdos, Greece M6.4 132 km
Jul 20, 1996 Dodecanese Islands, Greece M6.2 85 km
Jan 22, 2002 49 km NW of Fry, Greece M6.2 137 km
Nov 6, 1992 14 km ESE of Seferihisar, Turkey M6.1 143 km
Jun 2, 2025 8 km SSW of İçmeler, Turkey M5.8 82 km
Aug 4, 2004 15 km NE of Datça, Turkey M5.6 47 km
Aug 1, 2021 26 km SSW of Mandráki, Greece M5.6 61 km
Apr 26, 1996 8 km SW of Kremastí, Greece M5.5 89 km
Jun 21, 2021 20 km SSW of Mandráki, Greece M5.5 55 km
Jan 10, 2005 23 km SE of Güvercinlik, Turkey M5.5 48 km
Apr 2, 1996 8 km N of Samos, Greece M5.4 107 km
Jun 28, 2020 5 km SSE of ?çmeler, Turkey M5.4 87 km
Aug 31, 2022 14 km NW of Megálo Chorió, Greece M5.4 83 km
Sep 13, 2003 13 km SSW of Kéfalos, Greece M5.3 44 km
Aug 26, 1993 17 km WSW of ?çmeler, Turkey M5.3 70 km
Aug 4, 2004 16 km NE of Datça, Turkey M5.3 49 km
Aug 8, 2017 15 km ESE of Bodrum, Turkey M5.3 26 km
Feb 10, 2025 26 km SW of Amorgós, Greece M5.3 147 km
Apr 13, 2021 10 km SW of Mandráki, Greece M5.3 45 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

12 tsunamis recorded within 500 km. Highest wave on record: 20.0 m (66 ft).

Year Location Cause Max Wave Deaths Distance
1956 CYCLADES Eruption + Earthquake 20.0 m 56 121 km
1948 DODECANESE, KARPATHOS IS. Earthquake 7.3 m - 140 km
2020 AEGEAN SEA Earthquake 5.3 m 118 120 km
2002 DODECANESE ISLANDS Unknown 4.0 m - 95 km
1481 ISLAND OF RHODES Earthquake 3.0 m - 118 km
2017 GULF OF GÖKOVA Earthquake 1.9 m 2 12 km
1851 ASIA MINOR Earthquake 1.8 m - 137 km
1968 ISLAND OF KOS Eruption + Earthquake 1.2 m - 52 km
1741 ISLAND OF RHODES Earthquake - - 133 km
558 DODECANESE ISLANDS Earthquake - - 43 km
554 ISLAND OF KOS Earthquake - - 10 km
142 DODECANESE ISLANDS Earthquake - - 67 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Nisyros (36 km).

Name Type Elevation Last Eruption Distance
Nisyros Stratovolcano 698 m (2,290 ft) 1888 36 km
Santorini Shield(s) 367 m (1,204 ft) 1950 177 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (11°C) 6.3 in Coldest, Wettest
February 52°F (11°C) 4.8 in
March 55°F (13°C) 3.2 in
April 61°F (16°C) 1.5 in
May 69°F (20°C) 0.7 in
June 77°F (25°C) 0.3 in
July 81°F (27°C) 0.0 in Warmest, Driest
August 81°F (27°C) 0.2 in
September 76°F (24°C) 0.6 in
October 68°F (20°C) 2.1 in
November 60°F (16°C) 3.4 in
December 54°F (12°C) 6.1 in

Kos has a seasonal temperature swing of 30°F / from 51°F in January to 81°F in July. Total annual precipitation is 29.1 inches, with January being the wettest month (6.3") and July the driest (0.0").

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