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:
2026
2025
2024

The average sea water temperature in January of 2026 was 51.1°F. The highest and lowest sea temperatures during the month were 53.2°F and 49.5°F.

Monthly sea water temperature in Istanbul, °F

Which Turkey resorts have warmest sea in January?

Place name January 2026 January 2025
Finike 66.5°F 65.8°F
Gazipasa 66.5°F 66.2°F
Aydincik 66.5°F 66.3°F
Alanya 66.5°F 66.1°F
Obagol 66.5°F 66.1°F
Demre 66.5°F 65.8°F
Mahmutlar 66.4°F 66.0°F
Faralya 66.4°F 65.7°F
Bogazkent 66.4°F 65.6°F
Konakli 66.4°F 66.0°F
Turkler 66.4°F 66.0°F
Avsallar 66.4°F 65.9°F
Kargicak 66.3°F 65.9°F
Oludeniz 66.3°F 65.5°F
Sarigerme 66.3°F 65.3°F
Kalkan 66.3°F 65.9°F
Tekirova 66.3°F 65.5°F
Camyuva 66.3°F 65.3°F
Kiris 66.3°F 65.3°F
Manavgat 66.3°F 65.1°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 48.6 °F
February 49.8 °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
+52°F
SW 13 mph
Feels like: +48°F
Precip.: 0%
Places in Turkey:
Name
°F
+61°F
+61°F
+61°F
+59°F
+61°F
+63°F
+59°F
+61°F
+63°F
+61°F
+63°F
+63°F
+61°F
+52°F
+64°F
24 Hours Forecast
Istanbul
Local time: 14:55
March 17, tuesday
1500
52°F
SW
13 mph
1800
50°F
SW
15 mph
2100
45°F
SW
15 mph
March 18, wednesday
0000
45°F
SW
15 mph
0300
45°F
SW
14 mph
0600
45°F
SW
12 mph
0900
46°F
SW
14 mph
1200
48°F
SW
16 mph
Units of measurement: °C / °F