Karasu Mahallesi, Turkey

Full City Profile

39,508 Population 4,703/sq mi density

39 ft Elevation 12 meters

57°F Avg Temperature 14°C

Karasu Mahallesi enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 43°F in January while summers reach 71°F in July. The area gets 268 sunny days per year. Annual precipitation totals 48.3 inches. The area receives 28.8 inches of snow annually.

Temperature

43°F Jan (6°C) 71°F Jul (22°C)

Annual Average	56.6°F
	5% above US avg
January Average	43°F (6°C)
July Average	71°F (22°C)
Sunny Days	268 days/yr

Geography

Elevation	39 ft (12 m)
Area	8.4 sq mi (21.8 km²)
Population Density	4,703/sq mi
Coordinates	41.0710°N, 30.7854°W
Timezone	Europe/Istanbul

Precipitation & Snow

Annual Rainfall 48.3"

27% above US avg

Snowfall 28.8"

Wettest Month (Dec) 4.69"

Driest Month (May) 1.97"

Air Quality

Earthquake History

1,290 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	85 km
Nov 12, 1999	8 km S of Düzce, Turkey	M7.2	47 km
Sep 13, 1999	4 km SE of Köseköy, Turkey	M5.9	74 km
Nov 11, 1999	5 km N of Sapanca, Turkey	M5.7	57 km
Nov 12, 1999	7 km SSW of Düzce, Turkey	M5.5	42 km
Aug 23, 2000	8 km E of Akyaz?, Turkey	M5.3	44 km
Aug 31, 1999	2 km NNE of Kar??yaka, Turkey	M5.2	81 km
Nov 12, 1999	11 km W of Bolu, Turkey	M5.2	68 km
Aug 19, 1999	3 km SSE of Ç?narc?k, Turkey	M5.2	147 km
Sep 29, 1999	8 km NNW of Ta?köprü, Turkey	M5.2	127 km
Oct 15, 2016	117 km NNW of Ere?li, Turkey	M5.1	127 km
Nov 16, 1999	2 km S of Bolu, Turkey	M5.1	80 km
Nov 24, 2013	14 km WNW of Yeniça?a, Turkey	M5.1	95 km
Aug 17, 1999	9 km SE of Akyaz?, Turkey	M5.1	51 km
Aug 17, 1999	2 km NW of Kullar, Turkey	M5.0	78 km
Aug 26, 2001	24 km N of Bolu, Turkey	M5.0	67 km
Sep 9, 1999	7 km NNW of Koruköy, Turkey	M5.0	143 km
Nov 7, 1999	8 km E of Akyaz?, Turkey	M5.0	42 km
Aug 17, 1999	9 km ESE of Köseköy, Turkey	M4.9	69 km
Feb 14, 2000	28 km SW of Devrek, Turkey	M4.9	82 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

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

Year	Location	Cause	Max Wave	Deaths	Distance
1968	BLACK SEA	Earthquake	3.0 m	24	150 km
1999	KOCAELI, TURKEY	Earthquake	2.5 m	17,118	77 km
1963	MARMARA SEA	Earthquake	1.0 m	1	143 km
986	MARMARA SEA	Earthquake	—	—	137 km
551	LEVANTIAN SEA	Earthquake	—	—	80 km
478	MARMARA SEA	Earthquake	—	—	137 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	43°F (6°C)	3.9 in
February	42°F (6°C)	2.9 in	Coldest
March	45°F (7°C)	2.9 in
April	52°F (11°C)	2.3 in
May	59°F (15°C)	2.0 in	Driest
June	66°F (19°C)	2.1 in
July	71°F (22°C)	2.2 in	Warmest
August	69°F (21°C)	2.3 in
September	64°F (18°C)	2.4 in
October	58°F (14°C)	3.8 in
November	51°F (10°C)	3.8 in
December	45°F (7°C)	4.7 in	Wettest

Karasu Mahallesi has a seasonal temperature swing of 29°F / from 42°F in February to 71°F in July. Total annual precipitation is 35.2 inches, with December being the wettest month (4.7") and May the driest (2.0").

View full weather details →