World Resorts Turkey Istanbul Weather

Istanbul Sea Temperature in January

Average sea water temperature in January:
+49.2°F
Minimum sea water temperature in January: 54.1°F
Maximum sea water temperature in January: 44.1°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 50.5°F. The highest and lowest sea temperatures during the month were 52.3°F and 49.3°F.

Monthly sea water temperature in Istanbul, °F

Which Turkey resorts have warmest sea in January?

Place name January 2026 January 2025
Obagol 67.8°F 66.1°F
Alanya 67.8°F 66.1°F
Mahmutlar 67.7°F 66.0°F
Konakli 67.7°F 66.0°F
Turkler 67.7°F 66.0°F
Gazipasa 67.7°F 66.2°F
Kumluca 67.7°F 65.8°F
Demre 67.7°F 65.8°F
Avsallar 67.7°F 65.9°F
Finike 67.6°F 65.8°F
Kargicak 67.6°F 65.9°F
Tekirova 67.6°F 65.5°F
Cirali 67.6°F 65.5°F
Aydincik 67.6°F 66.3°F
Incekum 67.5°F 65.7°F
Okurcalar 67.5°F 65.7°F
Faralya 67.5°F 65.7°F
Kiris 67.5°F 65.3°F
Camyuva 67.5°F 65.3°F
Arsuz 67.5°F 66.1°F

Best time for vacation in Istanbul

Sunniest months:
July 28 days
August 28 days
June 22 days
Warmest months:
July 85.0 °F
August 84.7 °F
June 79.8 °F
Warmest sea temp:
August 75.8 °F
July 74.5 °F
September 73.4 °F
Coldest months:
January 48.7 °F
February 49.9 °F
December 52.9 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
August 13.7 mph
July 12.0 mph
September 11.9 mph

Istanbul on a weather map

Istanbul
+45°F
N 6 mph
Feels like: +41°F
Precip.: 0%
Places in Turkey:
Name
°F
+48°F
+48°F
+43°F
+46°F
+48°F
+48°F
+39°F
+48°F
+45°F
+48°F
+43°F
+46°F
+46°F
+45°F
+48°F
24 Hours Forecast
Istanbul
Local time: 00:12
January 15, thursday
0300
45°F
NE
11 mph
0600
45°F
NE
10 mph
0900
46°F
NE
10 mph
1200
50°F
NE
12 mph
1500
50°F
NE
11 mph
1800
48°F
NE
6 mph
2100
48°F
NE
5 mph
January 16, friday
0000
46°F
NE
5 mph
Units of measurement: °C / °F