Erdek, Turkey

Full City Profile

22,678 Population 3,718/sq mi density

92 ft Elevation 28 meters

55°F Avg Temperature 13°C

Erdek experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 71°F in July. The area gets 286 sunny days per year. Annual precipitation totals 27.3 inches. The area receives 0.0 inches of snow annually.

Temperature

40°F Jan (5°C) 71°F Jul (22°C)

Annual Average	55.0°F
	2% above US avg
January Average	40°F (5°C)
July Average	71°F (22°C)
Sunny Days	286 days/yr

Geography

Elevation	92 ft (28 m)
Area	6.1 sq mi (15.8 km²)
Population Density	3,718/sq mi
Coordinates	40.3996°N, 27.7935°W
Timezone	Europe/Istanbul

Precipitation & Snow

Annual Rainfall 27.3"

28% below US avg

Snowfall 0.0"

Wettest Month (Dec) 4.41"

Driest Month (Jul) 0.71"

Air Quality

Earthquake History

5,533 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.3 on Aug 27, 2025.

Apr 23, 2025	24 km SE of Marmara Ereğlisi, Turkey	M6.2	59 km
Aug 10, 2025	10 km WSW of Bigadiç, Turkey	M6.1	116 km
Jul 6, 2003	28 km NNE of Gökçeada, Turkey	M5.7	150 km
Sep 26, 2019	17 km ESE of Marmara Ere?lisi, Turkey	M5.7	64 km
Jan 22, 2020	15 km ESE of K?rka?aç, Turkey	M5.6	148 km
Jul 6, 2003	30 km NE of Gökçeada, Turkey	M5.3	141 km
Sep 29, 1999	8 km NNW of Ta?köprü, Turkey	M5.2	137 km
Aug 19, 1999	3 km SSE of Ç?narc?k, Turkey	M5.2	116 km
Jul 25, 1999	14 km SW of Bigadiç, Turkey	M5.2	123 km
Jul 25, 2011	25 km SW of Marmara Ere?lisi, Turkey	M5.1	45 km
Feb 20, 2019	10 km N of Ayvac?k, Turkey	M5.1	142 km
Apr 23, 2025	14 km S of Kumburgaz, Turkey	M5.0	80 km
Sep 9, 1999	7 km NNW of Koruköy, Turkey	M5.0	120 km
Jan 28, 2020	Western Turkey	M5.0	144 km
Jun 7, 2012	13 km SSW of Marmara Ere?lisi, Turkey	M4.9	51 km
May 25, 2014	Western Turkey	M4.9	140 km
Jan 11, 2020	16 km S of Silivri, Turkey	M4.9	70 km
Sep 24, 2019	20 km SE of Marmara Ere?lisi, Turkey	M4.9	59 km
Apr 23, 2025	24 km SSW of Selimpaşa, Turkey	M4.9	64 km
Jul 24, 2015	13 km NW of Eceabat, Turkey	M4.8	130 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

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

Year	Location	Cause	Max Wave	Deaths	Distance
1509	MARMARA SEA	Earthquake	6.0 m	5,000	52 km
1894	MARMARA SEA	Earthquake	4.5 m	1,349	80 km
1912	MARMARA SEA	Eruption + Earthquake	2.7 m	2,800	68 km
1963	MARMARA SEA	Earthquake	1.0 m	1	120 km
2025	MARMARA SEA	Earthquake	0.1 m	—	57 km
1944	EDREMIT GULF, AEGEAN SEA	Earthquake	—	30	143 km
1935	MARMARA SEA	Eruption + Earthquake	—	5	38 km
1343	MARMARA SEA, STRAIT OF BOSPORUS	Earthquake	—	—	62 km
1265	MARMARA SEA	Earthquake	—	—	47 km
986	MARMARA SEA	Earthquake	—	—	127 km
557	MARMARA SEA	Earthquake	—	—	58 km
543	BLACK SEA	Earthquake	—	—	11 km
478	MARMARA SEA	Earthquake	—	—	127 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	40°F (5°C)	3.9 in	Coldest
February	40°F (5°C)	2.7 in
March	44°F (6°C)	2.5 in
April	52°F (11°C)	2.3 in
May	59°F (15°C)	1.6 in
June	67°F (19°C)	1.2 in
July	71°F (22°C)	0.7 in	Warmest, Driest
August	71°F (22°C)	0.8 in
September	66°F (19°C)	1.5 in
October	58°F (15°C)	2.5 in
November	50°F (10°C)	3.3 in
December	44°F (7°C)	4.4 in	Wettest

Erdek has a seasonal temperature swing of 31°F / from 40°F in January to 71°F in July. Total annual precipitation is 27.3 inches, with December being the wettest month (4.4") and July the driest (0.7").

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