Measurements:
°C
°F
Istanbul
90°F
NE 6 mph
Feels like: 94°F
Precip: 21%
World Resorts Turkey Istanbul Weather

Istanbul Sea Water Temperature

Current Sea Water Temperature:
+79.4°F
Maximum Sea Water Temperature in July: 83.2°F
Minimum Sea Water Temperature in July: 73.8°F
Average water temperature in July: 78.0°F

Sea Water Temperature for the Last 10 Days:

July 18 79.4°F July 13 78.0°F
July 17 79.4°F July 12 77.8°F
July 16 79.2°F July 11 78.0°F
July 15 78.8°F July 10 77.4°F
July 14 78.8°F July 09 77.4°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: 2017 2016 2015

The average sea surface temperature in August 2017 for Istanbul was 78.6°F. The maximum and minimum values were 77.0°F and 79.8°F respectively.

Sea Water Temperature in July

Select Year: 2018 2017 2016

The average sea surface temperature in July 2018 for Istanbul was 77.5°F. The maximum and minimum values were 75.6°F and 79.4°F respectively.

Sea Water Temperature in September

Select Year: 2017 2016 2015

The average sea surface temperature in September 2017 for Istanbul was 76.4°F. The maximum and minimum values were 73.8°F and 77.2°F respectively.

Best Time to Visit Istanbul
The most sunny months:
July 30 days
August 28 days
June 24 days
The most warm months:
August 89.0 °F
July 89.0 °F
June 83.5 °F
Warmest sea temperature:
August 79.6 °F
July 78.0 °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 16 mph
July 14 mph
October 13 mph

Istanbul on the Weather Map

Turkey Resorts:
NAME
Adana +100
Alanya +92
Antalya +96
Bodrum +88
Bursa +88
Cesme +86
Fethiye +96
Istanbul +90
Izmir +96
Kemer +94
Kusadasi +98
Mahmutlar +92
Marmaris +92
Side +96
Sinop +84
24 Hours Weather Forecast
Istanbul
Local time: 17:21
18 jul, wednesday
1800 88°F
S
6 mph
2100 88°F
W
4 mph
19 jul, thursday
0000 86°F
W
4 mph
0300 82°F
S
3 mph
0600 82°F
NW
3 mph
0900 82°F
E
6 mph
1200 84°F
E
9 mph
1500 86°F
NE
11 mph