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Bolayır, Turkey

Full City Profile

1,053 Population 3/sq mi density
348 ft Elevation 106 meters
58°F Avg Temperature 14°C
Bolayır enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 42°F in January while summers reach 74°F in July. The area gets 289 sunny days per year. Annual precipitation totals 26.0 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 74°F Jul (23°C)
Annual Average57.6°F
7% above US avg
January Average42°F (6°C)
July Average74°F (23°C)
Sunny Days289 days/yr

Geography

Elevation348 ft (106 m)
Area318.5 sq mi (825.0 km²)
Population Density3/sq mi
Coordinates40.5150°N, 26.7573°W
TimezoneEurope/Istanbul

Precipitation & Snow

Annual Rainfall 26.0"
32% below US avg
Snowfall 0.0"
Wettest Month (Dec) 4.17"
Driest Month (Aug) 0.55"

Air Quality

Earthquake History

2,178 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M3.8 on Jul 5, 2025.

May 24, 2014 21 km SSW of Kamariótissa, Greece M6.9 119 km
Apr 23, 2025 24 km SE of Marmara Ereğlisi, Turkey M6.2 126 km
Sep 26, 2019 17 km ESE of Marmara Ere?lisi, Turkey M5.7 125 km
Jul 6, 2003 28 km NNE of Gökçeada, Turkey M5.7 63 km
Jan 8, 2013 47 km ESE of Mýrina, Greece M5.7 141 km
Feb 6, 2017 25 km WNW of Behram, Turkey M5.3 118 km
Jul 6, 2003 30 km NE of Gökçeada, Turkey M5.3 54 km
Feb 12, 2017 24 km WNW of Behram, Turkey M5.3 117 km
Feb 7, 2017 18 km NNW of Míthymna, Greece M5.3 123 km
Jun 15, 2004 26 km N of Gökçeada, Turkey M5.2 75 km
Feb 6, 2017 23 km WNW of Behram, Turkey M5.2 120 km
Jul 25, 2011 25 km SW of Marmara Ere?lisi, Turkey M5.1 90 km
Feb 20, 2019 10 km N of Ayvac?k, Turkey M5.1 96 km
Jan 21, 2025 4 km SW of Behram, Turkey M5.0 124 km
Sep 24, 2019 20 km SE of Marmara Ere?lisi, Turkey M4.9 123 km
Jan 10, 2023 7 km W of Behram, Turkey M4.9 122 km
May 25, 2014 Western Turkey M4.9 53 km
Jun 7, 2012 13 km SSW of Marmara Ere?lisi, Turkey M4.9 105 km
Feb 6, 2017 17 km WNW of Behram, Turkey M4.9 121 km
Jan 11, 2020 16 km S of Silivri, Turkey M4.9 133 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

12 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 5,000 118 km
1912 MARMARA SEA Eruption + Earthquake 2.7 m 2,800 39 km
1893 SAMOTHRACE Earthquake 1.0 m 1 106 km
2014 NORTH AEGEAN SEA Earthquake 0.2 m 3 119 km
2025 MARMARA SEA Earthquake 0.1 m 122 km
1944 EDREMIT GULF, AEGEAN SEA Earthquake 30 113 km
1935 MARMARA SEA Eruption + Earthquake 5 60 km
1867 LESBOS Earthquake 563 149 km
1343 MARMARA SEA, STRAIT OF BOSPORUS Earthquake 134 km
1265 MARMARA SEA Earthquake 58 km
557 MARMARA SEA Earthquake 83 km
543 BLACK SEA Earthquake 92 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 3.4 in
February 42°F (6°C) 2.8 in Coldest
March 46°F (8°C) 2.6 in
April 53°F (12°C) 2.1 in
May 62°F (16°C) 1.5 in
June 70°F (21°C) 1.2 in
July 74°F (23°C) 0.8 in Warmest
August 74°F (23°C) 0.6 in Driest
September 68°F (20°C) 1.3 in
October 61°F (16°C) 2.3 in
November 53°F (11°C) 3.4 in
December 46°F (8°C) 4.2 in Wettest

Bolayır has a seasonal temperature swing of 32°F / from 42°F in February to 74°F in July. Total annual precipitation is 26.0 inches, with December being the wettest month (4.2") and August the driest (0.6").

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