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: 1,012 hPa
Feel like: 18 °C
Temperature: 17°C
Cloud: 100%
Humidity: 85%
Wind: SSE - 5 km/h
Visibility: 25.06 km
30 Day Averages and Extremes
- Average high 15.97°C
- Average low 10.47°C
- Hottest day 22°C (21 October 2026)
- Coldest day 0°C (16 November 2026)
- Average humidity 76.0%
- Days with precipitation 22 days
- Highest precipitation 68 mm (03 November 2026)
Yesterday's Data
- Max: 19°C
- Min: 14°C
- Total Precipitation: 3 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 mild weather in Istanbul, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Long-sleeve shirt or blouse
- Comfortable jeans or slacks
- Casual sneakers or loafers
- Cotton socks
Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 493
- CO 266
- NH3 0
- NO2 42
- O3 22
- PM10 27
- PM25 21
- SO2 22
- CH4 2,039