18.12
thu
thu
Day
50°F
E 7 mph
Precip.
0%
0%
Night
46°F
SE 4 mph
Precip.
0%
0%
19.12
fri
fri
Day
50°F
SW 5 mph
Precip.
0%
0%
Night
46°F
SW 7 mph
Precip.
0%
0%
20.12
sat
sat
Day
50°F
SW 9 mph
Precip.
0%
0%
Night
50°F
SW 8 mph
Precip.
0%
0%
21.12
sun
sun
Day
48°F
SW 11 mph
Precip.
0%
0%
Night
46°F
SW 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
46°F
SW 8 mph
Precip.
60%
60%
Night
48°F
SW 6 mph
Precip.
67%
67%
23.12
tue
tue
Day
48°F
W 7 mph
Precip.
53%
53%
Night
48°F
NW 9 mph
Precip.
73%
73%
24.12
wed
wed
Day
50°F
NE 5 mph
Precip.
0%
0%
Night
46°F
SE 2 mph
Precip.
0%
0%
25.12
thu
thu
Day
50°F
W 3 mph
Precip.
0%
0%
Night
52°F
NW 6 mph
Precip.
61%
61%
26.12
fri
fri
Day
52°F
NW 11 mph
Precip.
100%
100%
Night
50°F
W 15 mph
Precip.
45%
45%
27.12
sat
sat
Day
46°F
W 18 mph
Precip.
79%
79%
Night
45°F
SW 21 mph
Precip.
69%
69%
28.12
sun
sun
Day
45°F
SW 21 mph
Precip.
0%
0%
Night
43°F
SW 17 mph
Precip.
47%
47%
29.12
mon
mon
Day
41°F
S 13 mph
Precip.
49%
49%
Night
39°F
NW 6 mph
Precip.
43%
43%
30.12
tue
tue
Day
41°F
E 6 mph
Precip.
0%
0%
Night
37°F
SE 6 mph
Precip.
0%
0%
31.12
wed
wed
Day
41°F
SW 12 mph
Precip.
28%
28%
Night
39°F
SW 14 mph
Precip.
69%
69%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 52.4°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: 22:02
December 19, friday
0000
46°F
SE
4 mph
4 mph
0300
46°F
SE
4 mph
4 mph
0600
46°F
S
5 mph
5 mph
0900
46°F
SW
6 mph
6 mph
1200
50°F
SW
5 mph
5 mph
1500
50°F
SW
7 mph
7 mph
1800
46°F
SW
7 mph
7 mph
2100
46°F
SW
6 mph
6 mph
