29.12
mon
mon
Day
39°F
E 22 mph
Precip.
0%
0%
Night
32°F
E 12 mph
Precip.
0%
0%
30.12
tue
tue
Day
43°F
E 19 mph
Precip.
0%
0%
Night
32°F
SE 13 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
E 17 mph
Precip.
0%
0%
Night
28°F
E 11 mph
Precip.
0%
0%
01.01
thu
thu
Day
32°F
SE 10 mph
Precip.
0%
0%
Night
28°F
E 8 mph
Precip.
0%
0%
02.01
fri
fri
Day
36°F
N 17 mph
Precip.
0%
0%
Night
36°F
NE 12 mph
Precip.
0%
0%
03.01
sat
sat
Day
36°F
E 14 mph
Precip.
62%
62%
Night
28°F
S 22 mph
Precip.
100%
100%
04.01
sun
sun
Day
30°F
SE 16 mph
Precip.
0%
0%
Night
27°F
E 10 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 50.4°F. The highest and lowest sea temperatures during the month were 55.6°F and 43.3°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: 01:52
December 29, monday
0300
36°F
SE
25 mph
25 mph
0600
34°F
SE
25 mph
25 mph
0900
34°F
SE
22 mph
22 mph
1200
39°F
E
22 mph
22 mph
1500
39°F
E
17 mph
17 mph
1800
36°F
E
16 mph
16 mph
2100
34°F
E
14 mph
14 mph
December 30, tuesday
0000
32°F
E
12 mph
12 mph
