19.12
fri
fri
Day

50°F
S 6 mph
Precip.
0%
0%
Night

46°F
SW 9 mph
Precip.
0%
0%
20.12
sat
sat
Day

50°F
SW 9 mph
Precip.
0%
0%
Night

48°F
SW 7 mph
Precip.
64%
64%
21.12
sun
sun
Day

50°F
SW 11 mph
Precip.
100%
100%
Night

46°F
SW 11 mph
Precip.
0%
0%
22.12
mon
mon
Day

48°F
SW 10 mph
Precip.
0%
0%
Night

46°F
SW 9 mph
Precip.
88%
88%
23.12
tue
tue
Day

46°F
SW 9 mph
Precip.
0%
0%
Night

45°F
SW 7 mph
Precip.
0%
0%
24.12
wed
wed
Day

48°F
SW 17 mph
Precip.
100%
100%
Night

43°F
S 22 mph
Precip.
100%
100%
25.12
thu
thu
Day

41°F
S 16 mph
Precip.
0%
0%
Night

37°F
SW 14 mph
Precip.
0%
0%
26.12
fri
fri
Day

36°F
SW 17 mph
Precip.
58%
58%
Night

32°F
SW 14 mph
Precip.
0%
0%
27.12
sat
sat
Day

34°F
SW 14 mph
Precip.
0%
0%
Night

32°F
S 12 mph
Precip.
0%
0%
28.12
sun
sun
Day

34°F
S 12 mph
Precip.
0%
0%
Night

30°F
SE 9 mph
Precip.
0%
0%
29.12
mon
mon
Day

36°F
SE 13 mph
Precip.
0%
0%
Night

30°F
SE 14 mph
Precip.
0%
0%
30.12
tue
tue
Day

37°F
SE 9 mph
Precip.
0%
0%
Night

34°F
S 9 mph
Precip.
0%
0%
31.12
wed
wed
Day

36°F
S 24 mph
Precip.
53%
53%
Night

28°F
S 19 mph
Precip.
0%
0%
01.01
thu
thu
Day

30°F
SE 11 mph
Precip.
0%
0%
Night

28°F
SE 12 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 52.4°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: 03:29
December 19, friday
0600

45°F
SE
6 mph
6 mph
0900

46°F
SE
4 mph
4 mph
1200

50°F
S
6 mph
6 mph
1500

50°F
SW
8 mph
8 mph
1800

46°F
SW
7 mph
7 mph
2100

46°F
SW
6 mph
6 mph
December 20, saturday
0000

46°F
SW
9 mph
9 mph
0300

45°F
SW
9 mph
9 mph



























