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Kefken, Turkey

Kocaeli · Turkey

Kefken is a small town in Kocaeli, Turkey with a population of 1,520. Elevation: 85 ft (26 m). Average temperature: 57°F (14°C).

Data updated June 2026

1,520 Population 4/sq mi density
85 ft Elevation 26 meters
57°F Avg Temperature 14°C
34.5 in Annual Rain
Europe / Istanbul Timezone

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Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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About Kefken

Kefken

Kefken Island, lies off the Black Sea coast of Turkey, a short boat ride from the mainland village of Cebeci in the Kandıra district of Kocaeli Province.

People

Population1,520
Density4/mi²

Climate

Avg Temp57°F (14°C)
Rain34.5 in/yr
Sunny Days273/yr
Elevation85 ft (26 m)
Population1,520
Population Density4 / sq mi
Elevation85 ft (26 m)
Coordinates41.1697°, 30.2271°
TimezoneEurope/Istanbul
Country🇹🇷 Turkey
State / ProvinceKocaeli
Average Temperature57°F (14°C)
January Average42°F (6°C)
July Average71°F (22°C)
Annual Precipitation34.5 inches (876 mm)
Annual Snowfall0.0 inches (0 cm)

About Kefken

Kefken is a small town in Turkey (Kocaeli) with a population of 1,520. The city sits at an elevation of 85 feet (26 meters) above sea level. The average annual temperature is 57°F (14°C). Temperatures range from 42°F in January to 71°F in July. Annual precipitation averages 34.5 inches. The timezone is Europe/Istanbul.

Kefken enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 42°F in January while summers reach 71°F in July. The area gets 273 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 34.5 inches. The city sits at an elevation of 85 feet.

Temperature

42°F Jan (6°C) 71°F Jul (22°C)
Annual Average56.5°F
5% above Turkey avg
January Average42°F (6°C)
July Average71°F (22°C)
Sunny Days273 days/yr

Geography

Elevation85 ft (26 m)
Area360.2 sq mi (933.0 km²)
Population Density4/sq mi
Coordinates41.1697°N, 30.2271°W
TimezoneEurope/Istanbul

Precipitation & Snow

Annual Rainfall 34.5"
9% below Turkey avg
Snowfall 0.0"
Wettest Month (Dec) 4.96"
Driest Month (May) 1.73"

Air Quality

Earthquake History

1,887 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M4.2 on Jul 2, 2025.

Aug 17, 1999 4 km ESE of Derince, Turkey M7.6 56 km
Nov 12, 1999 8 km S of Düzce, Turkey M7.2 91 km
Sep 13, 1999 4 km SE of Köseköy, Turkey M5.9 54 km
Nov 11, 1999 5 km N of Sapanca, Turkey M5.7 47 km
Nov 12, 1999 7 km SSW of Düzce, Turkey M5.5 86 km
Aug 23, 2000 8 km E of Akyaz?, Turkey M5.3 68 km
Sep 29, 1999 8 km NNW of Ta?köprü, Turkey M5.2 88 km
Aug 31, 1999 2 km NNE of Kar??yaka, Turkey M5.2 56 km
Aug 19, 1999 3 km SSE of Ç?narc?k, Turkey M5.2 110 km
Nov 12, 1999 11 km W of Bolu, Turkey M5.2 115 km
Oct 15, 2016 117 km NNW of Ere?li, Turkey M5.1 123 km
Aug 17, 1999 9 km SE of Akyaz?, Turkey M5.1 73 km
Nov 16, 1999 2 km S of Bolu, Turkey M5.1 126 km
Nov 24, 2013 14 km WNW of Yeniça?a, Turkey M5.1 143 km
Sep 9, 1999 7 km NNW of Koruköy, Turkey M5.0 104 km
Nov 7, 1999 8 km E of Akyaz?, Turkey M5.0 68 km
Apr 23, 2025 14 km S of Kumburgaz, Turkey M5.0 150 km
Aug 17, 1999 2 km NW of Kullar, Turkey M5.0 52 km
Aug 26, 2001 24 km N of Bolu, Turkey M5.0 115 km
Aug 17, 1999 11 km ESE of Akyaz?, Turkey M4.9 73 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).

Year Location Cause Max Wave Deaths Distance
1894 MARMARA SEA Earthquake 4.5 m 1,349 143 km
1999 KOCAELI, TURKEY Earthquake 2.5 m 17,118 50 km
1963 MARMARA SEA Earthquake 1.0 m 1 104 km
986 MARMARA SEA Earthquake - - 96 km
551 LEVANTIAN SEA Earthquake - - 49 km
478 MARMARA SEA Earthquake - - 96 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 4.0 in Coldest
February 43°F (6°C) 3.0 in
March 46°F (8°C) 2.8 in
April 53°F (12°C) 2.1 in
May 60°F (16°C) 1.7 in Driest
June 68°F (20°C) 1.9 in
July 71°F (22°C) 1.8 in Warmest
August 71°F (22°C) 2.2 in
September 66°F (19°C) 2.4 in
October 59°F (15°C) 3.8 in
November 52°F (11°C) 4.0 in
December 46°F (8°C) 5.0 in Wettest

Kefken has a seasonal temperature swing of 29°F / from 42°F in January to 71°F in July. Total annual precipitation is 34.5 inches, with December being the wettest month (5.0") and May the driest (1.7").

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Radio Stations near Kefken

3 stations within ~55 km.

Station Genre Quality
KRAL TÜRK FM - MP3 128 kbps
Romantik SES Sakarya romantic, slow AAC+ 64 kbps
Fenerbahce Radyo - AAC+ 64 kbps

Farmers Markets in Kefken

NameAddressSeasonHoursOrganicWebsite
Kandıra Halk Pazarı

Hotels in Kefken

3 hotels within city radius - OpenStreetMap data

Hotel
Kumcağız Apart Otel
Liman Hotel

Restaurants in Kefken

4 restaurants within city radius - OpenStreetMap data

Ceneviz
Ceneviz Restoran
Dağlar Pizza Pide
Hasan Usta

Cafes in Kefken

3 cafes within city radius - OpenStreetMap data

Asma Altı Kahvehanesi
Deniz Çay Bahçesi
Perya Pasta-Cafe

Gas Stations in Kefken

2 gas stations within city radius - OpenStreetMap data

TR #7091342127
Türkiye Petrolleri

Airports Near Kefken

2 airports within the area.

AirportIATAType
Cengiz Topel AirportKCOMedium Airport
Istanbul Aviation Pamukova Airfield-Small Airport

Churches & Religious Organizations in Kefken

2 religious organizations (IRS tax-exempt data).

NameAddress
Dikili Camii
Kefken Camii

Quick Facts

Timezone
Europe/Istanbul

🇹🇷 About Turkey

Capital Ankara
Population 82,319,724
Area 780,580 km²
GDP (USD) $1,141,242,864,657
GDP per capita $13,375
HDI 0.838
Life expectancy 77.2 years
Internet users 86.0%
Urban population 89.0%
Currency TRY (Lira)
Languages Turkish
Calling code +90
TLD .tr
Driving side right

Public Holidays in Turkey

7 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day Yılbaşı
Apr 23 National Independence & Children's Day Ulusal Egemenlik ve Çocuk Bayramı
May 1 Labour Day İşçi Bayramı
May 19 Atatürk Commemoration & Youth Day Atatürk'ü Anma, Gençlik ve Spor Bayramı
Jul 15 Democracy and National Unity Day Demokrasi ve Millî Birlik Günü
Aug 30 Victory Day Zafer Bayramı
Oct 29 Republic Day Cumhuriyet Bayramı

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Frequently Asked Questions About Kefken

What is the population of Kefken?

Kefken has a population of 1,520 residents and is located in Turkey. The population density is 4 people per square mile, spread across 360.2 square miles.

What is the weather like in Kefken?

Kefken enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winter temperatures average 42°F in January, while summers reach an average of 71°F in July. The area receives 273 sunny days per year, well above the national average of 205. Annual rainfall totals 34.5 inches.

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