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Istanbul, Turkey
Full City Profile
15,701,602
Population
7,611/sq mi density
128 ft
Elevation
39 meters
61°F
Avg Temperature
16°C
Istanbul 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. Annual precipitation totals 35.0 inches. The area receives 6.4 inches of snow annually.
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 | 128 ft (39 m) |
| Area | 2,062.9 sq mi (5,343.0 km²) |
| Population Density | 7,611/sq mi |
| Coordinates | 41.0138°N, 28.9497°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
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 | 75 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 51 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 90 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 39 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | - | 71 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | - | 5 | 134 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | - | - | 60 km |
| 1265 | MARMARA SEA | Earthquake | - | - | 135 km |
| 986 | MARMARA SEA | Earthquake | - | - | 32 km |
| 557 | MARMARA SEA | Earthquake | - | - | 114 km |
| 551 | LEVANTIAN SEA | Earthquake | - | - | 83 km |
| 543 | BLACK SEA | Earthquake | - | - | 125 km |
| 478 | MARMARA SEA | Earthquake | - | - | 32 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 3.7 in | |
| February | 43°F (6°C) | 2.5 in | Coldest |
| March | 46°F (8°C) | 2.5 in | |
| April | 54°F (12°C) | 1.9 in | |
| May | 62°F (17°C) | 1.5 in | |
| June | 70°F (21°C) | 1.2 in | |
| July | 78°F (26°C) | 1.0 in | Warmest, Driest |
| August | 74°F (23°C) | 1.4 in | |
| September | 68°F (20°C) | 1.7 in | |
| October | 60°F (16°C) | 3.0 in | |
| November | 52°F (11°C) | 3.5 in | |
| December | 46°F (8°C) | 4.5 in | Wettest |
Istanbul has a seasonal temperature swing of 35°F / from 43°F in February to 78°F in July. Total annual precipitation is 28.3 inches, with December being the wettest month (4.5") and July the driest (1.0").