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Kocaeli, Turkey
Full City Profile
602
Population
2/sq mi density
1,017 ft
Elevation
310 meters
56°F
Avg Temperature
13°C
Kocaeli enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 39°F in January while summers reach 74°F in July. The area gets 285 sunny days per year. Annual precipitation totals 28.0 inches. The area receives 0.0 inches of snow annually.
Temperature
39°F Jan (4°C)
74°F Jul (23°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 1,017 ft (310 m) |
| Area | 315.8 sq mi (818.0 km²) |
| Population Density | 2/sq mi |
| Coordinates | 39.6250°N, 27.5115°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Tsunami History
14 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 | 140 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 148 km |
| 1912 | MARMARA SEA | Eruption + Earthquake | 2.7 m | 2,800 | 127 km |
| 1949 | CHIOS ISLAND, AEGEAN ISLANDS | Earthquake | 2.0 m | 7 | 134 km |
| 2017 | LESBOS | Earthquake | 0.2 m | 1 | 125 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | — | 145 km |
| 1944 | EDREMIT GULF, AEGEAN SEA | Earthquake | — | 30 | 80 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | — | 5 | 111 km |
| 1867 | LESBOS | Earthquake | — | 563 | 107 km |
| 1668 | SMYRNA, W. TURKEY | Earthquake | — | — | 141 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 147 km |
| 1265 | MARMARA SEA | Earthquake | — | — | 120 km |
| 557 | MARMARA SEA | Earthquake | — | — | 142 km |
| 543 | BLACK SEA | Earthquake | — | — | 79 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Kula (145 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kula | Pyroclastic cone(s) | 750 m (2,461 ft) | Unknown | 145 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 4.2 in | Coldest |
| February | 41°F (5°C) | 3.3 in | |
| March | 45°F (7°C) | 2.8 in | |
| April | 53°F (12°C) | 2.5 in | |
| May | 61°F (16°C) | 1.7 in | |
| June | 69°F (21°C) | 0.9 in | |
| July | 74°F (23°C) | 0.4 in | Warmest, Driest |
| August | 73°F (23°C) | 0.6 in | |
| September | 67°F (20°C) | 1.0 in | |
| October | 58°F (15°C) | 2.0 in | |
| November | 49°F (9°C) | 3.5 in | |
| December | 43°F (6°C) | 5.1 in | Wettest |
Kocaeli has a seasonal temperature swing of 34°F / from 39°F in January to 74°F in July. Total annual precipitation is 28.0 inches, with December being the wettest month (5.1") and July the driest (0.4").