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Gölyaka, Turkey

Full City Profile

433 ft Elevation 132 meters
57°F Avg Temperature 14°C
Gölyaka 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 Average56.6°F
5% above US avg
January Average43°F (6°C)
July Average71°F (22°C)
Sunny Days268 days/yr

Geography

Elevation433 ft (132 m)
Area54.7 sq mi (141.7 km²)
Population Density0/sq mi
Coordinates40.7769°N, 30.9959°W
TimezoneEurope/Istanbul

Precipitation & Snow

Annual Rainfall 48.3"
27% above US avg
Snowfall 28.8"
Wettest Month (Dec) 3.90"
Driest Month (Aug) 1.80"

Air Quality

Earthquake History

1,080 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M4.8 on Mar 16, 2023.

Aug 17, 1999 4 km ESE of Derince, Turkey M7.6 95 km
Nov 12, 1999 8 km S of Düzce, Turkey M7.2 14 km
Sep 13, 1999 4 km SE of Köseköy, Turkey M5.9 81 km
Nov 11, 1999 5 km N of Sapanca, Turkey M5.7 62 km
Nov 12, 1999 7 km SSW of Düzce, Turkey M5.5 11 km
Aug 23, 2000 8 km E of Akyaz?, Turkey M5.3 26 km
Nov 12, 1999 11 km W of Bolu, Turkey M5.2 40 km
Aug 31, 1999 2 km NNE of Kar??yaka, Turkey M5.2 89 km
Sep 29, 1999 8 km NNW of Ta?köprü, Turkey M5.2 139 km
Aug 17, 1999 9 km SE of Akyaz?, Turkey M5.1 32 km
Nov 24, 2013 14 km WNW of Yeniça?a, Turkey M5.1 74 km
Nov 16, 1999 2 km S of Bolu, Turkey M5.1 52 km
Aug 26, 2001 24 km N of Bolu, Turkey M5.0 52 km
Aug 17, 1999 2 km NW of Kullar, Turkey M5.0 87 km
Nov 7, 1999 8 km E of Akyaz?, Turkey M5.0 25 km
Aug 17, 1999 11 km ESE of Akyaz?, Turkey M4.9 25 km
Feb 14, 2000 28 km SW of Devrek, Turkey M4.9 69 km
Aug 17, 1999 9 km ESE of Köseköy, Turkey M4.9 75 km
Aug 17, 1999 12 km SE of Karapürçek, Turkey M4.8 38 km
Aug 26, 1999 0 km ENE of Köseköy, Turkey M4.8 83 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 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 86 km
551 LEVANTIAN SEA Earthquake 92 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 3.3 in
February 39°F (4°C) 2.5 in Coldest
March 42°F (6°C) 2.6 in
April 50°F (10°C) 2.3 in
May 57°F (14°C) 2.3 in
June 64°F (18°C) 2.1 in
July 71°F (22°C) 1.9 in Warmest
August 67°F (19°C) 1.8 in Driest
September 62°F (17°C) 1.9 in
October 55°F (13°C) 2.9 in
November 47°F (8°C) 3.0 in
December 41°F (5°C) 3.9 in Wettest

Gölyaka has a seasonal temperature swing of 32°F / from 39°F in February to 71°F in July. Total annual precipitation is 30.5 inches, with December being the wettest month (3.9") and August the driest (1.8").

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