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Weather & Climate in Rumelifeneri, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rumelifeneri enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 47°F in January while summers reach 78°F in July. The area gets 288 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 35.0 inches. The area receives 6.4 inches of snow annually. The city sits at an elevation of 118 feet.
Temperature
47°F Jan (9°C)
78°F Jul (26°C)
| Annual Average | 60.5°F |
| 12% above US avg | |
| January Average | 47°F (9°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 118 ft (36 m) |
| Area | 4.9 sq mi (12.7 km²) |
| Population Density | 885/sq mi |
| Coordinates | 41.2335°N, 29.1107°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
2,406 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 | 83 km | 17 km |
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 89 km | 13 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 98 km | 13 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 111 km | 22 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 89 km | 8 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 149 km | 15 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 69 km | 10 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 58 km | 10 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 91 km | 10 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 124 km | 16 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 149 km | 10 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 148 km | 10 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 65 km | 10 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 91 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 57 km | 13 km |
| Sep 24, 2019 | 20 km SE of Marmara Ere?lisi, Turkey | M4.9 | 91 km | 10 km |
| Apr 23, 2025 | 24 km SSW of Selimpaşa, Turkey | M4.9 | 82 km | 10 km |
| Aug 17, 1999 | 9 km ESE of Köseköy, Turkey | M4.9 | 102 km | 10 km |
| Jun 7, 2012 | 13 km SSW of Marmara Ere?lisi, Turkey | M4.9 | 109 km | 15 km |
| Jan 11, 2020 | 16 km S of Silivri, Turkey | M4.9 | 81 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
10 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 | 98 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 78 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 89 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 60 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | — | 92 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 83 km |
| 986 | MARMARA SEA | Earthquake | — | — | 49 km |
| 557 | MARMARA SEA | Earthquake | — | — | 132 km |
| 551 | LEVANTIAN SEA | Earthquake | — | — | 82 km |
| 478 | MARMARA SEA | Earthquake | — | — | 49 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 4.0 in | |
| February | 42°F (6°C) | 2.6 in | Coldest |
| March | 45°F (7°C) | 2.6 in | |
| April | 53°F (11°C) | 1.9 in | |
| May | 60°F (16°C) | 1.5 in | |
| June | 68°F (20°C) | 1.2 in | |
| July | 78°F (26°C) | 1.0 in | Warmest, Driest |
| August | 72°F (22°C) | 1.6 in | |
| September | 67°F (19°C) | 1.9 in | |
| October | 60°F (15°C) | 3.2 in | |
| November | 52°F (11°C) | 3.6 in | |
| December | 46°F (8°C) | 4.7 in | Wettest |
Rumelifeneri has a seasonal temperature swing of 36°F / from 42°F in February to 78°F in July. Total annual precipitation is 29.7 inches, with December being the wettest month (4.7") and July the driest (1.0").