14-day forecast — Istanbul
Updated every hour
Sun · Today · 13 Sep
Showers
+24°
+20°
0,6 mm
Mon · Tomorrow · 14 Sep
Showers
+20°
+18°
117,4 mm
Tuesday · 15 Sep
Clear
+24°
+18°
8%
Wednesday · 16 Sep
Clear
+25°
+19°
0,1 mm
Thursday · 17 Sep
Clear
+25°
+19°
4%
Friday · 18 Sep
Clear
+25°
+20°
5%
Saturday · 19 Sep
Clear
+25°
+21°
6%
Sunday · 20 Sep
Clear
+26°
+20°
3%
Monday · 21 Sep
Clear
+25°
+19°
4%
Tuesday · 22 Sep
Clear
+26°
+19°
5%
Wednesday · 23 Sep
Clear
+23°
+20°
8%
Thursday · 24 Sep
Cloudy
+23°
+20°
15%
Friday · 25 Sep
Showers
+24°
+20°
0,8 mm
Saturday · 26 Sep
Clear
+22°
+18°
17%
About Istanbul
À cheval sur deux continents, entre Bosphore et bazars.
CountryTurkey
RegionMarmara
ContinentEurope
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityFair (EAQI 23)
Climate in Istanbul in December
Normals 8 years · best time to visit · Open-MeteoBest time to visit Istanbul: April–October. With poor weather, December is a possible month to visit.
| November | December | January | |
|---|---|---|---|
| Average temperature | ▼ 13°C | 9°C | ▼ 7°C |
| Highest temperature | ▼ 17°C | 12°C | ▼ 10°C |
| Lowest temperature | ▼ 10°C | 7°C | ▼ 4°C |
| Sea temperature | ▼ 16,2°C | 13,0°C | ▼ 10,2°C |
| Precipitation | ▲ 84 mm | 91 mm | ▲ 97 mm |
| Days with precipitation | ▲ 9 d | 13 d | ▼ 12 d |
| Humidity | ▲ 77% | 82% | ▼ 80% |
| Sunshine hours per day | ▼ 6,9 h | 5,3 h | ▲ 5,5 h |
| Cloud cover | ▲ 30% | 43% | → 43% |
| UV index (midday) | ▼ 3 | 2 | ▲ 3 |
| Day length | 9:54 | 9:17 | 9:37 |
| Our rating | Acceptable | Poor | Poor |
Temperature day by day in December mean + moving average
Precipitation day by day in December mm
UV index day by day in December midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
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Barcelone
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Data source
Global weather models — international forecasts
Météo de Istanbul (Turkey) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +21°, clear, vent 12 km/h. Sur les 7 prochains jours, les températures varient de 18 à 25 °C avec 5 belles journées et 118 mm de pluie. Heure locale (fuseau Europe/Istanbul). Données Open-Meteo et WeatherAPI.