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Boyalıca, Turkey

Full City Profile

2,227 Population 8/sq mi density
305 ft Elevation 93 meters
57°F Avg Temperature 14°C
Boyalıca enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 41°F in January while summers reach 73°F in July. The area gets 294 sunny days per year. Annual precipitation totals 23.0 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 73°F Jul (23°C)
Annual Average56.6°F
5% above US avg
January Average41°F (5°C)
July Average73°F (23°C)
Sunny Days294 days/yr

Geography

Elevation305 ft (93 m)
Area290.7 sq mi (753.0 km²)
Population Density8/sq mi
Coordinates40.4819°N, 29.5608°W
TimezoneEurope/Istanbul

Precipitation & Snow

Annual Rainfall 23.0"
39% below US avg
Snowfall 0.0"
Wettest Month (Jan) 2.91"
Driest Month (Aug) 0.91"

Air Quality

Earthquake History

4,075 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M3.8 on Jul 5, 2025.

Aug 17, 1999 4 km ESE of Derince, Turkey M7.6 39 km
Nov 12, 1999 8 km S of Düzce, Turkey M7.2 139 km
Apr 23, 2025 24 km SE of Marmara Ereğlisi, Turkey M6.2 122 km
Sep 13, 1999 4 km SE of Köseköy, Turkey M5.9 48 km
Nov 11, 1999 5 km N of Sapanca, Turkey M5.7 66 km
Sep 26, 2019 17 km ESE of Marmara Ere?lisi, Turkey M5.7 128 km
Nov 12, 1999 7 km SSW of Düzce, Turkey M5.5 136 km
Aug 23, 2000 8 km E of Akyaz?, Turkey M5.3 100 km
Aug 19, 1999 3 km SSE of Ç?narc?k, Turkey M5.2 39 km
Sep 29, 1999 8 km NNW of Ta?köprü, Turkey M5.2 34 km
Aug 31, 1999 2 km NNE of Kar??yaka, Turkey M5.2 42 km
Aug 17, 1999 9 km SE of Akyaz?, Turkey M5.1 96 km
Sep 9, 1999 7 km NNW of Koruköy, Turkey M5.0 44 km
Nov 7, 1999 8 km E of Akyaz?, Turkey M5.0 101 km
Aug 17, 1999 2 km NW of Kullar, Turkey M5.0 45 km
Apr 23, 2025 14 km S of Kumburgaz, Turkey M5.0 102 km
Jun 7, 2012 13 km SSW of Marmara Ere?lisi, Turkey M4.9 144 km
Aug 17, 1999 9 km ESE of Köseköy, Turkey M4.9 53 km
Aug 17, 1999 11 km ESE of Akyaz?, Turkey M4.9 102 km
Sep 24, 2019 20 km SE of Marmara Ere?lisi, Turkey M4.9 127 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

9 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 5,000 128 km
1894 MARMARA SEA Earthquake 4.5 m 1,349 74 km
1999 KOCAELI, TURKEY Earthquake 2.5 m 17,118 46 km
1963 MARMARA SEA Earthquake 1.0 m 1 42 km
2025 MARMARA SEA Earthquake 0.1 m 126 km
1343 MARMARA SEA, STRAIT OF BOSPORUS Earthquake 112 km
986 MARMARA SEA Earthquake 47 km
551 LEVANTIAN SEA Earthquake 46 km
478 MARMARA SEA Earthquake 47 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.9 in Coldest, Wettest
February 42°F (5°C) 2.3 in
March 45°F (7°C) 2.2 in
April 53°F (12°C) 1.8 in
May 61°F (16°C) 1.6 in
June 69°F (20°C) 1.2 in
July 73°F (23°C) 0.9 in Warmest
August 73°F (23°C) 0.9 in Driest
September 67°F (19°C) 1.5 in
October 59°F (15°C) 2.4 in
November 51°F (11°C) 2.6 in
December 45°F (7°C) 2.8 in

Boyalıca has a seasonal temperature swing of 31°F / from 41°F in January to 73°F in July. Total annual precipitation is 23.0 inches, with January being the wettest month (2.9") and August the driest (0.9").

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