Measurements:
°C
°F
Mamaia
74°F
E 11 mph
Feels like: 74°F
Precip: 4%
World Resorts Romania Mamaia Weather

Mamaia Sea Water Temperature

Current Sea Water Temperature:
+78.4°F
Maximum Sea Water Temperature in September: 82.6°F
Minimum Sea Water Temperature in September: 66.4°F
Average water temperature in September: 75.1°F

Sea Water Temperature for the Last 10 Days:

September 04 78.4°F August 30 77.8°F
September 03 77.8°F August 29 78.2°F
September 02 77.6°F August 28 78.2°F
September 01 77.4°F August 27 79.4°F
August 31 77.4°F August 26 79.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Mamaia was 79.2°F. The maximum and minimum values were 77.0°F and 82.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mamaia was 77.7°F. The maximum and minimum values were 74.6°F and 81.8°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 25 days
September 22 days
The most warm months:
August 86.8 °F
July 86.6 °F
June 80.6 °F
Warmest sea temperature:
August 80.3 °F
July 79.2 °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 Tusnad +60
Brasov +58
Bucharest +72
Cluj Napoca +68
Covasna +64
Eforie Nord +70
Galati +68
Konstanta +74
Lasi +68
Mamaia +74
Mangalia +70
Poiana Brasov +58
Sinaia +58
Slanic Moldova +64
Sovata +64
24 Hours Weather Forecast
Mamaia
Local time: 05:50
05 sep, saturday
0600 74°F
E
11 mph
0900 78°F
E
7 mph
1200 82°F
NW
11 mph
1500 80°F
N
19 mph
1800 80°F
N
22 mph
2100 78°F
N
20 mph
06 sep, sunday
0000 76°F
NE
16 mph
0300 76°F
S
16 mph