Measurements:
°C
°F
Mamaia
54°F
NE 8 mph
Feels like: 50°F
Precip: 0%
World Resorts Romania Mamaia Weather

Mamaia Sea Water Temperature

Current Sea Water Temperature:
+55.0°F
Maximum Sea Water Temperature in April: 63.8°F
Minimum Sea Water Temperature in April: 41.2°F
Average water temperature in April: 50.0°F

Sea Water Temperature for the Last 10 Days:

April 25 55.0°F April 20 54.4°F
April 24 55.4°F April 19 53.2°F
April 23 53.0°F April 18 52.4°F
April 22 55.2°F April 17 51.0°F
April 21 55.8°F April 16 50.8°F

When is the Warmest Sea for Mamaia?

According to our data for the last three years for Mamaia the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Mamaia was 79.2°F. The maximum and minimum values were 73.6°F and 82.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Mamaia was 78.3°F. The maximum and minimum values were 75.4°F and 80.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mamaia was 74.5°F. The maximum and minimum values were 70.6°F and 78.4°F respectively.

Best Time to Visit Mamaia
The most sunny months:
August 27 days
July 26 days
September 22 days
The most warm months:
August 87.2 °F
July 87.0 °F
June 80.9 °F
Warmest sea temperature:
August 80.4 °F
July 79.3 °F
September 75.0 °F
The most cold months:
January 39.9 °F
February 42.8 °F
December 44.9 °F
The most rainy months:
June 3 days
May 2 days
March 2 days
The most windy months:
January 12 mph
February 12 mph
December 12 mph

Mamaia on the Weather Map

Romania Resorts:
NAME
Baile Olanesti +44
Baile Tusnad +38
Brasov +42
Bucharest +54
Cluj Napoca +46
Eforie Nord +54
Galati +58
Konstanta +54
Lasi +50
Mamaia +54
Mangalia +52
Poiana Brasov +42
Sinaia +44
Slanic Moldova +46
Sovata +44
24 Hours Weather Forecast
Mamaia
Local time: 04:00
26 apr, sunday
0600 52°F
E
9 mph
0900 60°F
NE
9 mph
1200 68°F
NE
12 mph
1500 70°F
E
14 mph
1800 56°F
SW
24 mph
2100 54°F
SW
17 mph
27 apr, monday
0000 52°F
SW
14 mph
0300 48°F
SW
9 mph