Average sea water temperature in December:
+48.7°F
| Minimum sea water temperature in December: | 55.6°F |
| Maximum sea water temperature in December: | 42.1°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 49.9°F. The highest and lowest sea temperatures during the month were 55.6°F and 43.3°F.
Monthly sea water temperature in Mamaia, °F
Which Romania resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Eforie Nord | 51.3°F | 50.6°F |
| Mangalia | 51.1°F | 50.5°F |
| Konstanta | 50.0°F | 49.7°F |
| Mamaia | 49.9°F | 49.7°F |
Best time for vacation in Mamaia
Mamaia on a weather map
Places in Romania:
Name
°F
24 Hours Forecast
Mamaia
Local time: 10:44
June 27, saturday
1200

77°F
SW
14 mph
14 mph
1500

77°F
W
12 mph
12 mph
1800

75°F
W
11 mph
11 mph
2100

72°F
W
6 mph
6 mph
June 28, sunday
0000

70°F
E
3 mph
3 mph
0300

68°F
SE
7 mph
7 mph
0600

68°F
SE
8 mph
8 mph
0900

75°F
SE
7 mph
7 mph



























