Current sea water temperature:
+54.1°F
| Minimum sea water temperature in December: | 55.0°F |
| Maximum sea water temperature in December: | 42.1°F |
| Average sea water temperature in December: | 48.7°F |
| more information | |
14 days
forecast
forecast
| Mamaia |
monthly
weather
weather
| Mamaia |
Sea water temperature for the last 10 days:
| December 4 | 54.1°F | November 29 | 55.9°F |
| December 3 | 54.7°F | November 28 | 56.3°F |
| December 2 | 54.7°F | November 27 | 56.7°F |
| December 1 | 55.0°F | November 26 | 56.8°F |
| November 30 | 55.6°F | November 25 | 56.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Mamaia?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mamaia was noticed in August, July and September.
Monthly Sea Temperatures in Mamaia, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.3°F. The highest and lowest sea temperatures during the month were 79.3°F and 71.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.1°F. The highest and lowest sea temperatures during the month were 75.6°F and 68.5°F.
current
weather
weather
| Mamaia |
weather in
December
December
| Mamaia |
Best time for vacation in Mamaia
Mamaia on a weather map
Places in Romania:
Name
°F
24 Hours Forecast
Mamaia
Local time: 05:02
December 05, friday
0600
54°F
W
17 mph
17 mph
0900
54°F
W
18 mph
18 mph
1200
55°F
W
19 mph
19 mph
1500
54°F
W
17 mph
17 mph
1800
54°F
W
21 mph
21 mph
2100
54°F
SW
21 mph
21 mph
December 06, saturday
0000
54°F
SW
19 mph
19 mph
0300
52°F
SW
19 mph
19 mph
