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Weather & Climate in Şişli, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Şişli 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 390 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 | 390 ft (119 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 437,061/sq mi |
| Coordinates | 41.0605°N, 28.9872°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
2,655 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 | 82 km | 17 km |
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 72 km | 13 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 97 km | 13 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 113 km | 22 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 72 km | 8 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 47 km | 10 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 51 km | 10 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 90 km | 10 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 108 km | 16 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 90 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 40 km | 13 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 46 km | 10 km |
| Apr 23, 2025 | 24 km SSW of Selimpaşa, Turkey | M4.9 | 64 km | 10 km |
| Sep 24, 2019 | 20 km SE of Marmara Ere?lisi, Turkey | M4.9 | 74 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 | 93 km | 15 km |
| Jan 11, 2020 | 16 km S of Silivri, Turkey | M4.9 | 64 km | 10 km |
| Sep 20, 1999 | 7 km NNE of Marmara, Turkey | M4.8 | 126 km | 10 km |
| Feb 12, 1991 | 18 km SW of K?nal?, Turkey | M4.8 | 29 km | 10 km |
| Dec 12, 1993 | 26 km NNE of Durusu, Turkey | M4.8 | 52 km | 28 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 | 80 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 57 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 89 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 43 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | - | 75 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | - | 5 | 138 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | - | - | 65 km |
| 1265 | MARMARA SEA | Earthquake | - | - | 139 km |
| 986 | MARMARA SEA | Earthquake | - | - | 34 km |
| 557 | MARMARA SEA | Earthquake | - | - | 118 km |
| 551 | LEVANTIAN SEA | Earthquake | - | - | 82 km |
| 543 | BLACK SEA | Earthquake | - | - | 131 km |
| 478 | MARMARA SEA | Earthquake | - | - | 34 km |
Source: NOAA/NCEI Historical Tsunami Database.
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 |
Şişli 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").