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Istanbul
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Istanbul Weather and climate
Data source：Meteostat
Update date：2025-09
Istanbul year round climate
- Spring (March–May): Average 8.6–17°C, mild climate, but occasionally rainy; March and April can still be somewhat chilly, warming up in May. Common activities: Visiting historical sites, strolling along the Bosphorus Strait, exploring bazaars. Recommended clothing: Light jacket, long-sleeved shirts, comfortable walking shoes.
- Summer (June–August): Average 23.6–26.6°C, hot and dry, sunny, but occasional brief showers. Common activities: Beach relaxation, boat tours, savoring Turkish cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
- Autumn (September–November): Average 18–14°C, temperatures gradually decrease; November has more rainfall and higher humidity. Common activities: Visiting museums, admiring Istanbul's autumn scenery, enjoying seasonal cuisine. Recommended clothing: Comfortable warm clothing such as cardigans, jackets, and rain gear.
- Winter (December–February): Average 7.8–10.8°C, cold and humid, occasional snowfall. Common activities: Indoor visits, experiencing a Turkish bath (Hamam), enjoying hot drinks. Recommended clothing: Warm coat, scarf, hat, gloves.
Istanbul climatological average
Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 615 mm / Summer humidity: 60%–70% / Rainiest month: November
Istanbul monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.8°C
74.9
February
8.1°C
64.3
March
8.6°C
68.1
April
14°C
73.7
May
17°C
45.2
June
23.6°C
21.7
July
26.5°C
10.9
August
26.6°C
27.2
September
22.9°C
21.8
October
18°C
22.6
November
14°C
118.9
December
10.8°C
66.2
Istanbul weather for the next seven days
10/13
Monday
Patchy rain nearby
18.8°C/14.4°C
10/14
Tuesday
Patchy rain nearby
19.5°C/15°C
10/15
Wednesday
Patchy rain nearby
19°C/14.6°C
10/16
Thursday
Patchy rain nearby
18.5°C/15.4°C
10/17
Friday
Cloudy
18.6°C/15°C
10/18
Saturday
Patchy rain nearby
18.9°C/15.2°C
10/19
Sunday
Sunny
18.9°C/14.1°C
