Istanbul, Turkey Weather
- Istanbul, Turkey Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Istanbul over the next 12 hours
- Temperature and possibility of rain in Istanbul in the coming days
- Rainfall in Istanbul in the coming days
- Istanbul Weather Summary
- Weather averages by month
- Istanbul's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Overcast
Pressure: 1,019 hPa
Feel like: 10 °C
Temperature: 13°C
Cloud: 100%
Humidity: 79%
Wind: NNE - 21 km/h
Visibility: 32.46 km
30 Day Averages and Extremes
- Average high 16.1°C
- Average low 11.0°C
- Hottest day 22°C (21 October 2026)
- Coldest day 0°C (18 November 2026)
- Average humidity 77.77%
- Days with precipitation 24 days
- Highest precipitation 67 mm (03 November 2026)
Yesterday's Data
- Max: 17°C
- Min: 13°C
- Total Precipitation: 39 mm
Temperature and possibility of rain in Istanbul over the next 12 hours
Temperature and possibility of rain in Istanbul in the coming days
Rainfall in Istanbul in the coming days
Istanbul Climate Summary
Istanbul features a Mediterranean, hot summer (Köppen classification: Csa), with an average annual temperature of 16.97ºC (62.55ºF), which is about 2.01% higher than the national average for Turkey. Annually, the city experiences approximately 71.68 millimeters (2.82 inches) of rainfall, spread across 120.2 rainy days, accounting for 32.93% of the year.
| Longitude | 41.0082376 |
| Latitude | 28.9783589 |
| Yearly high temperature | 18.52ºC (65.34ºF) |
| Yearly low temperature | 14.26ºC (57.67ºF) |
| Hottest month | May 21.29ºC (70.32ºF) |
| Coldest month | January 5.57ºC (42.03ºF) |
| Yearly precip | 71.68mm (2.82in) |
| Days with rainfall | 120.2 days (32.93%) |
| Driest month | August (68.14%) |
| Wettest month | October (71.63%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 8.67° / 5.57° | 14.73 days |
| February | 10.01° / 6.29° | 13.55 days |
| March | 12.29° / 7.8° | 11.55 days |
| April | 16.0° / 10.49° | 10.91 days |
| May | 21.29° / 15.58° | 11.82 days |
| June | 25.88° / 20.39° | 8.55 days |
| July | 28.11° / 22.76° | 4.27 days |
| August | 28.08° / 23.62° | 2.91 days |
| September | 25.08° / 21.04° | 8.0 days |
| October | 19.79° / 16.27° | 11.82 days |
| November | 15.9° / 12.96° | 9.36 days |
| December | 11.11° / 8.32° | 12.73 days |
Istanbul's weather
- Bursa
- Diyarbakır
- Ankara
- Gaziantep
- İzmir
- Adana
- Konya
- Malatya
- Antalya
- Eskişehir
- Kayseri
- Uşak
- Yozgat
- Artvin
- Gümüşhane
- Muğla
- Isparta
- Afyonkarahisar
- Nevşehir
- Giresun
- Edirne
- Sinop
- Muş
- Kilis
- Bartın
- Çankırı
- Kars
- Elazığ
- Batman
- Bitlis
- Ardahan
- Balıkesir
- Bolu
- Burdur
- Çorum
- Düzce
- Erzurum
- Hakkâri
- Hatay
- Iğdır
- Kahramanmaraş
- Karabük
- Kastamonu
- Kırıkkale
- Kırklareli
- Kırşehir
- Mersin
- Niğde
- Ordu
- Rize
- Samsun
- Şanlıurfa
- Siirt
- Şırnak
- Tekirdağ
- Tokat
- Trabzon
- Tunceli
- Van
- Yalova
- Zonguldak
- Sivas
- Ağrı
- Aksaray
- Bayburt
- Bilecik
- Manisa
- Osmaniye
- Kütahya
- Adıyaman
- Aydın
- Çanakkale
- Erzincan
- Karaman
- Bingöl
- Amasya
- Denizli
- Mardin
- Sakarya
- Kocaeli
Frequently asked questions
1. What is the hottest month in Istanbul?
May has the highest average monthly temperature (daily mean of 21.29ºC) and January are the coolest (daily mean of 5.57ºC).
2. What should I wear in Istanbul today?
For today's cool weather in Istanbul, with temperatures between 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Comfortable pants or jeans
- Casual shoes or sneakers
- Knit hat (optional for cooler mornings)
- Thin gloves (optional for early mornings or late evenings)
Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 457
- CO 203
- NH3 0
- NO2 7
- O3 42
- PM10 12
- PM25 9
- SO2 3
- CH4 1,505