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Weather & Climate in Umraniye, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Umraniye 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 446 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 | 446 ft (136 m) |
| Area | 17.5 sq mi (45.3 km²) |
| Population Density | 32,278/sq mi |
| Coordinates | 41.0164°N, 29.1248°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
2,823 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 | 69 km | 17 km |
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 81 km | 13 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 85 km | 13 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 83 km | 8 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 101 km | 22 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 139 km | 15 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 44 km | 10 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 77 km | 10 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 36 km | 10 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 118 km | 16 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 139 km | 10 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 77 km | 10 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 139 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 33 km | 13 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 56 km | 10 km |
| Apr 23, 2025 | 24 km SSW of Selimpaşa, Turkey | M4.9 | 74 km | 10 km |
| Aug 17, 1999 | 9 km ESE of Köseköy, Turkey | M4.9 | 90 km | 10 km |
| Jun 7, 2012 | 13 km SSW of Marmara Ere?lisi, Turkey | M4.9 | 103 km | 15 km |
| Jan 11, 2020 | 16 km S of Silivri, Turkey | M4.9 | 75 km | 10 km |
| Sep 24, 2019 | 20 km SE of Marmara Ere?lisi, Turkey | M4.9 | 84 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
13 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 | 89 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 59 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 77 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 36 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | - | 85 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | - | 5 | 148 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | - | - | 73 km |
| 1265 | MARMARA SEA | Earthquake | - | - | 149 km |
| 986 | MARMARA SEA | Earthquake | - | - | 25 km |
| 557 | MARMARA SEA | Earthquake | - | - | 129 km |
| 551 | LEVANTIAN SEA | Earthquake | - | - | 70 km |
| 543 | BLACK SEA | Earthquake | - | - | 137 km |
| 478 | MARMARA SEA | Earthquake | - | - | 25 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 3.8 in | |
| February | 42°F (6°C) | 2.6 in | Coldest |
| March | 45°F (7°C) | 2.6 in | |
| April | 53°F (12°C) | 1.9 in | |
| May | 61°F (16°C) | 1.5 in | |
| June | 69°F (21°C) | 1.2 in | |
| July | 78°F (26°C) | 1.0 in | Warmest, Driest |
| August | 73°F (23°C) | 1.5 in | |
| September | 67°F (20°C) | 1.8 in | |
| October | 60°F (15°C) | 3.2 in | |
| November | 52°F (11°C) | 3.5 in | |
| December | 46°F (8°C) | 4.6 in | Wettest |
Umraniye has a seasonal temperature swing of 36°F / from 42°F in February to 78°F in July. Total annual precipitation is 29.1 inches, with December being the wettest month (4.6") and July the driest (1.0").