20.12
sat
sat
Day

50°F
SW 12 mph
Precip.
65%
65%
Night

50°F
W 6 mph
Precip.
63%
63%
21.12
sun
sun
Day

52°F
SW 4 mph
Precip.
0%
0%
Night

48°F
SW 7 mph
Precip.
89%
89%
22.12
mon
mon
Day

50°F
SW 7 mph
Precip.
0%
0%
Night

46°F
SW 5 mph
Precip.
64%
64%
23.12
tue
tue
Day

50°F
W 7 mph
Precip.
0%
0%
Night

48°F
N 9 mph
Precip.
100%
100%
24.12
wed
wed
Day

52°F
N 11 mph
Precip.
87%
87%
Night

50°F
NW 4 mph
Precip.
100%
100%
25.12
thu
thu
Day

52°F
NW 17 mph
Precip.
100%
100%
Night

46°F
SW 7 mph
Precip.
100%
100%
26.12
fri
fri
Day

41°F
SW 25 mph
Precip.
100%
100%
Night

41°F
SW 17 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 52.0°F. The highest and lowest sea temperatures during the month were 55.6°F and 47.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 45.4°F. The highest and lowest sea temperatures during the month were 49.5°F and 42.1°F.
Air temperature in Mamaia, °F
Precipitation total in Mamaia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mamaia
Mamaia on a weather map
Places in Romania:
Name
°F
24 Hours Forecast
Mamaia
Local time: 12:51
December 20, saturday
1500

50°F
SW
10 mph
10 mph
1800

50°F
SW
7 mph
7 mph
2100

50°F
W
6 mph
6 mph
December 21, sunday
0000

50°F
W
6 mph
6 mph
0300

50°F
W
4 mph
4 mph
0600

50°F
W
6 mph
6 mph
0900

50°F
W
4 mph
4 mph
1200

52°F
SW
4 mph
4 mph




























