Current sea water temperature:
+67.6°F
| Minimum sea water temperature in June: | 75.6°F |
| Maximum sea water temperature in June: | 61.2°F |
| Average sea water temperature in June: | 69.2°F |
| more information | |
14 days
forecast
forecast
| Istanbul |
monthly
weather
weather
| Istanbul |
Sea water temperature for the last 10 days:
| June 5 | 67.6°F | May 30 | 61.9°F |
| June 4 | 65.7°F | May 29 | 62.6°F |
| June 3 | 64.9°F | May 28 | 61.7°F |
| June 1 | 63.7°F | May 27 | 61.3°F |
| May 31 | 62.2°F | May 26 | 61.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Istanbul?
Based on the data about daily sea water temperature for the last three years the warmest sea in Istanbul was noticed in August, July and September.
Monthly Sea Temperatures in Istanbul, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 75.9°F and 69.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°F.
current
weather
weather
| Istanbul |
weather in
June
June
| Istanbul |
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 10:21
June 06, saturday
1200
77°F
SW
4 mph
4 mph
1500
81°F
SW
8 mph
8 mph
1800
77°F
SW
12 mph
12 mph
2100
70°F
SW
11 mph
11 mph
June 07, sunday
0000
68°F
SW
9 mph
9 mph
0300
66°F
SW
7 mph
7 mph
0600
64°F
SW
6 mph
6 mph
0900
73°F
SW
7 mph
7 mph
