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Weather & Climate in Sergen, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sergen experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 45°F in January while summers reach 72°F in July. The area gets 289 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 25.4 inches (drier than the 38-inch national average). The area receives 2.4 inches of snow annually. The city sits at an elevation of 1,394 feet.
Temperature
45°F Jan (7°C)
72°F Jul (22°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 1,394 ft (425 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 13,018/sq mi |
| Coordinates | 41.7053°N, 27.7083°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
974 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 105 km | 13 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 97 km | 8 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 101 km | 16 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 112 km | 10 km |
| Jun 7, 2012 | 13 km SSW of Marmara Ere?lisi, Turkey | M4.9 | 97 km | 15 km |
| Apr 23, 2025 | 24 km SSW of Selimpaşa, Turkey | M4.9 | 106 km | 10 km |
| Sep 24, 2019 | 20 km SE of Marmara Ere?lisi, Turkey | M4.9 | 101 km | 10 km |
| Jan 11, 2020 | 16 km S of Silivri, Turkey | M4.9 | 97 km | 10 km |
| Dec 12, 1993 | 26 km NNE of Durusu, Turkey | M4.8 | 95 km | 28 km |
| Sep 20, 1999 | 7 km NNE of Marmara, Turkey | M4.8 | 118 km | 10 km |
| Feb 12, 1991 | 18 km SW of K?nal?, Turkey | M4.8 | 139 km | 10 km |
| Apr 13, 1995 | 18 km E of Kumba?, Turkey | M4.7 | 95 km | 24 km |
| Jan 24, 2009 | Western Turkey | M4.6 | 101 km | 11 km |
| Aug 13, 2001 | 13 km N of Yambol, Bulgaria | M4.6 | 141 km | 10 km |
| Sep 26, 2019 | 22 km SE of Marmara Ere?lisi, Turkey | M4.5 | 103 km | 10 km |
| Mar 8, 1991 | 16 km SSW of Marmara Ere?lisi, Turkey | M4.5 | 99 km | 11 km |
| Feb 8, 1995 | 22 km SW of Marmara Ere?lisi, Turkey | M4.5 | 98 km | 23 km |
| Nov 27, 2013 | 13 km SSW of Marmara Ere?lisi, Turkey | M4.5 | 97 km | 10 km |
| Apr 23, 2025 | 25 km S of Silivri, Turkey | M4.5 | 105 km | 10 km |
| Apr 18, 1995 | 21 km E of Kumba?, Turkey | M4.5 | 94 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
8 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 | 106 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 148 km |
| 1912 | MARMARA SEA | Eruption + Earthquake | 2.7 m | 2,800 | 119 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | — | 103 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | — | 5 | 123 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 112 km |
| 1265 | MARMARA SEA | Earthquake | — | — | 115 km |
| 557 | MARMARA SEA | Earthquake | — | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.5 in | |
| February | 39°F (4°C) | 2.1 in | Coldest |
| March | 43°F (6°C) | 2.1 in | |
| April | 51°F (11°C) | 2.0 in | |
| May | 60°F (16°C) | 1.9 in | |
| June | 68°F (20°C) | 1.8 in | |
| July | 72°F (22°C) | 1.1 in | Warmest |
| August | 72°F (22°C) | 1.0 in | Driest |
| September | 66°F (19°C) | 1.3 in | |
| October | 57°F (14°C) | 2.1 in | |
| November | 49°F (9°C) | 2.9 in | Wettest |
| December | 42°F (5°C) | 2.9 in |
Sergen has a seasonal temperature swing of 33°F / from 39°F in February to 72°F in July. Total annual precipitation is 23.7 inches, with November being the wettest month (2.9") and August the driest (1.0").