Average sea water temperature in December:
+53.7°F
| Minimum sea water temperature in December: | 61.2°F |
| Maximum sea water temperature in December: | 48.4°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 57.1°F. The highest and lowest sea temperatures during the month were 60.4°F and 53.6°F.
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Monthly sea water temperature in Istanbul, °F
Which Turkey resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Alanya | 70.7°F | 68.4°F |
| Turkler | 70.7°F | 68.3°F |
| Obagol | 70.7°F | 68.4°F |
| Avsallar | 70.6°F | 68.3°F |
| Konakli | 70.6°F | 68.3°F |
| Gazipasa | 70.6°F | 68.3°F |
| Bogazkent | 70.6°F | 68.1°F |
| Mahmutlar | 70.6°F | 68.3°F |
| Incekum | 70.5°F | 68.1°F |
| Okurcalar | 70.5°F | 68.1°F |
| Kalkan | 70.5°F | 68.2°F |
| Arsuz | 70.5°F | 68.1°F |
| Demre | 70.4°F | 68.2°F |
| Kargicak | 70.4°F | 68.2°F |
| Kundu | 70.4°F | 67.8°F |
| Finike | 70.4°F | 68.2°F |
| Kas | 70.4°F | 68.0°F |
| Colakli | 70.4°F | 68.0°F |
| Tekirova | 70.4°F | 68.0°F |
| Kumluca | 70.4°F | 68.2°F |
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 23:54
December 31, wednesday
0000

41°F
S
13 mph
13 mph
0300

43°F
SE
13 mph
13 mph
0600

39°F
SE
14 mph
14 mph
0900

39°F
S
16 mph
16 mph
1200

39°F
SE
14 mph
14 mph
1500

37°F
S
11 mph
11 mph
1800

37°F
SE
8 mph
8 mph
2100

36°F
SE
9 mph
9 mph


























