Measurements:
°C
°F
Mamaia
50°F
E 7 mph
Feels like: 48°F
Precip: 0%
World Resorts Romania Mamaia Weather

7 Day Weather Forecast

12.18
thu
DAY
50°F
E 7 mph
precip
0%
NIGHT
46°F
SE 7 mph
precip
0%
12.19
fri
DAY
50°F
S 6 mph
precip
0%
NIGHT
44°F
SW 8 mph
precip
0%
12.20
sat
DAY
48°F
SW 8 mph
precip
0%
NIGHT
50°F
SW 7 mph
precip
73%
12.21
sun
DAY
48°F
S 9 mph
precip
0%
NIGHT
46°F
S 9 mph
precip
0%
12.22
mon
DAY
46°F
SW 8 mph
precip
60%
NIGHT
44°F
N 6 mph
precip
0%
12.23
tue
DAY
50°F
N 11 mph
precip
56%
NIGHT
50°F
NW 11 mph
precip
100%
12.24
wed
DAY
52°F
N 4 mph
precip
45%
NIGHT
50°F
SE 9 mph
precip
0%

Mamaia Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Mamaia was 11.3°F. The maximum and minimum values were 8.7°F and 13.1°F respectively.

Mamaia on the Weather Map

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 40.1 °F
February 42.9 °F
December 44.8 °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