İnhisar, Turkey

Full City Profile

2,718 Population 65/sq mi density

745 ft Elevation 227 meters

54°F Avg Temperature 12°C

İnhisar experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 72°F in July. The area gets 301 sunny days per year. Annual precipitation totals 19.1 inches. The area receives 2.2 inches of snow annually.

Temperature

35°F Jan (2°C) 72°F Jul (22°C)

Annual Average	53.9°F
	0% below US avg
January Average	35°F (2°C)
July Average	72°F (22°C)
Sunny Days	301 days/yr

Geography

Elevation	745 ft (227 m)
Area	42.1 sq mi (109.0 km²)
Population Density	65/sq mi
Coordinates	40.0493°N, 30.3852°W
Timezone	Europe/Istanbul

Precipitation & Snow

Annual Rainfall 19.1"

50% below US avg

Snowfall 2.2"

Wettest Month (Dec) 2.48"

Driest Month (Aug) 0.67"

Air Quality

Earthquake History

3,516 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	89 km
Nov 12, 1999	8 km S of Düzce, Turkey	M7.2	103 km
Sep 13, 1999	4 km SE of Köseköy, Turkey	M5.9	79 km
May 19, 2011	12 km ENE of Simav, Turkey	M5.8	149 km
Nov 11, 1999	5 km N of Sapanca, Turkey	M5.7	78 km
Nov 12, 1999	7 km SSW of Düzce, Turkey	M5.5	103 km
Aug 23, 2000	8 km E of Akyaz?, Turkey	M5.3	76 km
Nov 12, 1999	11 km W of Bolu, Turkey	M5.2	120 km
Sep 29, 1999	8 km NNW of Ta?köprü, Turkey	M5.2	117 km
Aug 31, 1999	2 km NNE of Kar??yaka, Turkey	M5.2	82 km
Aug 19, 1999	3 km SSE of Ç?narc?k, Turkey	M5.2	123 km
May 3, 2012	13 km NE of Simav, Turkey	M5.2	147 km
Nov 16, 1999	2 km S of Bolu, Turkey	M5.1	127 km
Aug 17, 1999	9 km SE of Akyaz?, Turkey	M5.1	68 km
Aug 31, 2021	19 km W of ?hsaniye, Turkey	M5.1	113 km
Sep 9, 1999	7 km NNW of Koruköy, Turkey	M5.0	129 km
Nov 7, 1999	8 km E of Akyaz?, Turkey	M5.0	77 km
Aug 26, 2001	24 km N of Bolu, Turkey	M5.0	142 km
Aug 17, 1999	2 km NW of Kullar, Turkey	M5.0	85 km
Aug 17, 1999	11 km ESE of Akyaz?, Turkey	M4.9	73 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 2.5 m (8 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1999	KOCAELI, TURKEY	Earthquake	2.5 m	17,118	87 km
1963	MARMARA SEA	Earthquake	1.0 m	1	127 km
986	MARMARA SEA	Earthquake	—	—	131 km
551	LEVANTIAN SEA	Earthquake	—	—	93 km
478	MARMARA SEA	Earthquake	—	—	131 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	35°F (2°C)	2.2 in	Coldest
February	38°F (4°C)	1.7 in
March	44°F (7°C)	1.9 in
April	53°F (11°C)	1.8 in
May	60°F (16°C)	1.9 in
June	67°F (20°C)	1.6 in
July	72°F (22°C)	0.9 in	Warmest
August	71°F (22°C)	0.7 in	Driest
September	65°F (18°C)	0.9 in
October	56°F (13°C)	1.6 in
November	47°F (8°C)	1.6 in
December	39°F (4°C)	2.5 in	Wettest

İnhisar has a seasonal temperature swing of 36°F / from 35°F in January to 72°F in July. Total annual precipitation is 19.1 inches, with December being the wettest month (2.5") and August the driest (0.7").

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