Measurements:
°C
°F
Istanbul
74°F
SW 21 mph
Feels like: 80°F
Precip: 0%
World Resorts Turkey Istanbul Weather

Istanbul Sea Water Temperature

Current Sea Water Temperature:
+76.2°F
Maximum Sea Water Temperature in September: 80.2°F
Minimum Sea Water Temperature in September: 71.0°F
Average water temperature in September: 76.2°F

Sea Water Temperature for the Last 10 Days:

September 19 76.2°F September 14 76.6°F
September 18 77.2°F September 13 76.8°F
September 17 77.0°F September 12 77.4°F
September 16 76.8°F September 11 78.0°F
September 15 76.6°F September 10 78.6°F

When is the Warmest Sea for Istanbul?

According to our data for the last three years for Istanbul the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2018 2017 2016

The average sea surface temperature in August 2018 for Istanbul was 79.7°F. The maximum and minimum values were 78.2°F and 82.4°F respectively.

Sea Water Temperature in July

Select Year: 2018 2017 2016

The average sea surface temperature in July 2018 for Istanbul was 78.9°F. The maximum and minimum values were 75.6°F and 81.6°F respectively.

Sea Water Temperature in September

Select Year: 2018 2017 2016

The average sea surface temperature in September 2018 for Istanbul was 78.1°F. The maximum and minimum values were 76.2°F and 79.8°F respectively.

Best Time to Visit Istanbul
The most sunny months:
July 29 days
August 29 days
June 24 days
The most warm months:
July 88.9 °F
August 88.8 °F
June 83.5 °F
Warmest sea temperature:
August 79.6 °F
July 78.2 °F
September 76.0 °F
The most cold months:
January 48.3 °F
February 50.6 °F
December 53.1 °F
The most rainy months:
December 6 days
March 4 days
January 4 days
The most windy months:
August 15 mph
October 13 mph
July 13 mph

Istanbul on the Weather Map

Turkey Resorts:
NAME
Adana +94
Alanya +88
Antalya +90
Bodrum +82
Bursa +74
Cesme +80
Fethiye +86
Istanbul +74
Izmir +86
Kemer +88
Kusadasi +92
Mahmutlar +88
Marmaris +86
Side +90
Sinop +70
24 Hours Weather Forecast
Istanbul
Local time: 18:18
19 sep, wednesday
2100 74°F
SW
19 mph
20 sep, thursday
0000 72°F
SW
16 mph
0300 72°F
SW
16 mph
0600 74°F
SW
16 mph
0900 76°F
SW
16 mph
1200 78°F
SW
16 mph
1500 78°F
SW
17 mph
1800 76°F
SW
18 mph