Weather & Climate in Gölköy, Turkey

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Gölköy experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 31°F in January while summers reach 65°F in July. The area gets 294 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 22.9 inches (drier than the 38-inch national average). The area receives 7.4 inches of snow annually. The city sits at an elevation of 2,818 feet.

Temperature

31°F Jan (-0°C) 65°F Jul (18°C)

Annual Average	48.8°F
	10% below US avg
January Average	31°F (-0°C)
July Average	65°F (18°C)
Sunny Days	294 days/yr

Geography

Elevation	2,818 ft (859 m)
Area	10.4 sq mi (27.0 km²)
Population Density	294/sq mi
Coordinates	40.6991°N, 31.5101°W
Timezone	Europe/Istanbul

Precipitation & Snow

Annual Rainfall 22.9"

40% below US avg

Snowfall 7.4"

Wettest Month (Dec) 2.83"

Driest Month (Aug) 0.94"

Air Quality

Earthquake History

899 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.

Aug 17, 1999	4 km ESE of Derince, Turkey	M7.6	139 km	17 km
Nov 12, 1999	8 km S of Düzce, Turkey	M7.2	30 km	10 km
Jun 6, 2000	12 km NW of Orta, Turkey	M6.0	125 km	10 km
Sep 13, 1999	4 km SE of Köseköy, Turkey	M5.9	124 km	13 km
Nov 11, 1999	5 km N of Sapanca, Turkey	M5.7	105 km	22 km
Nov 12, 1999	7 km SSW of Düzce, Turkey	M5.5	34 km	10 km
Aug 23, 2000	8 km E of Akyaz?, Turkey	M5.3	67 km	15 km
Aug 31, 1999	2 km NNE of Kar??yaka, Turkey	M5.2	132 km	10 km
Nov 12, 1999	11 km W of Bolu, Turkey	M5.2	6 km	10 km
Aug 17, 1999	9 km SE of Akyaz?, Turkey	M5.1	70 km	10 km
Nov 16, 1999	2 km S of Bolu, Turkey	M5.1	9 km	10 km
Nov 24, 2013	14 km WNW of Yeniça?a, Turkey	M5.1	33 km	6 km
Nov 7, 1999	8 km E of Akyaz?, Turkey	M5.0	66 km	10 km
Aug 26, 2001	24 km N of Bolu, Turkey	M5.0	29 km	8 km
Aug 17, 1999	2 km NW of Kullar, Turkey	M5.0	130 km	10 km
Feb 14, 2000	28 km SW of Devrek, Turkey	M4.9	41 km	10 km
Aug 17, 1999	9 km ESE of Köseköy, Turkey	M4.9	118 km	10 km
Jan 31, 2008	10 km ENE of Çubuk, Turkey	M4.9	146 km	5 km
Aug 17, 1999	11 km ESE of Akyaz?, Turkey	M4.9	64 km	10 km
Aug 26, 1999	0 km ENE of Köseköy, Turkey	M4.8	126 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tsunami History

3 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	139 km
1999	KOCAELI, TURKEY	Earthquake	2.5 m	17,118	130 km
551	LEVANTIAN SEA	Earthquake	—	—	136 km

Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	31°F (-0°C)	2.6 in	Coldest
February	34°F (1°C)	2.0 in
March	39°F (4°C)	2.2 in
April	48°F (9°C)	2.2 in
May	55°F (13°C)	2.6 in
June	61°F (16°C)	2.1 in
July	65°F (18°C)	1.2 in	Warmest
August	65°F (18°C)	0.9 in	Driest
September	59°F (15°C)	1.1 in
October	52°F (11°C)	1.5 in
November	42°F (6°C)	1.9 in
December	35°F (2°C)	2.8 in	Wettest

Gölköy has a seasonal temperature swing of 34°F / from 31°F in January to 65°F in July. Total annual precipitation is 22.9 inches, with December being the wettest month (2.8") and August the driest (0.9").

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