Day
4 °C
Night
-1 °C
Sea
7 °C
Precipitation
29 mm
in month
Rainy days
6 days
in month
Daylight
9 hours
average
Sunshine
2 hours
average
Humidity
85 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Situated on the Black Sea coast, Mamaia in Romania flaunts a generally mild continental climate, which invites both tourists and locals to enjoy its seasonal variations. During daytime, the temperature fluctuates between an average of 4 °C (40 °F) in the coldest month of January, peaking to a balmy 27 °C (81 °F) in the hot month of July. Nighttime temperatures range from a brisk -1 °C (29 °F) in January to a comfortable 19 °C (66 °F) in July. The month of least precipitation is August, averaging around 4 days of rain, whereas June typically sees the highest rainfall with an average of 7 days. Sea temperatures reach their zenith in August at 24 °C (75 °F), and plunge to their nadir in February at 6 °C (42 °F). Various other meteorological elements such as wind speed, humidity levels, and duration of sunshine also contribute to the region's climatic profile.
As winter continues, Mamaia's seawater cools further to an average of 7 °C (44 °F), while the coldest day temperatures of the year in January average at 4 °C (40 °F). Rainfall begins to lessen in quantity, averaging 29 mm (1.14 in), and the frequency of rainy days starts to decrease to about 6 days. Additionally, the night temperatures in Mamaia hit their yearly low, averaging -1 °C (29 °F).
A gradual warming trend is noticeable as February unfolds; the average daytime temperature slightly increases to 6 °C (42 °F) in Mamaia, concurrently with the sea reaching its chilliest at 6 °C (42 °F). The prevalence of sun (without clouds) begins its ascent this month. The least amount of rainfall is observed in February, averaging 25 mm (0.99 in).
In March, signs of spring are evident as Mamaia's sea temperature warms to an average of 6 °C (43 °F), and daytime temperatures continue their upward climb, reaching 9 °C (48 °F). The rainy season is not fully upon us yet, as evidenced by the rising rainfall, which averages 31 mm (1.23 in). Concurrently, the night temperature begins to warm up to 2 °C (36 °F), while sunshine hours extend to an average of 3 hours.
April's warmth is more pronounced with the sea temperature climbing to 9 °C (49 °F), and an evident increase in daytime temperatures, hitting an average of 14 °C (57 °F). As days get longer, the number of sun hours goes up to 4 hours, and the night temperature continues on its upward trend, reaching 7 °C (44 °F).
As May unfolds, the sea temperature sees a similar rise from the earlier month, with an average of 15 °C (59 °F), and a notable increase in day temperatures to an average of 20 °C (68 °F). A slight increment in rainy days can be discerned, averaging 6 days, along with an upward trend in rainfall, at an average of 35 mm (1.39 in). Night temperatures are also on the rise, averaging 12 °C (54 °F), and the amount of sun without clouds continues to expand.
Tourism slowly picks up in Mamaia as June arrives, heralded by rising day temperatures averaging 25 °C (76 °F), and the sea temperature favorably increasing to an average of 20 °C (68 °F). The peak of the rainy days is notable this month, evidenced by a high average of 7 days, paired with the maximum rainfall average of 43 mm (1.69 in). Night temperatures ascend in harmony with the preceding month, averaging 17 °C (62 °F).
In July, the day temperature soars to its highest, averaging 27 °C (81 °F) in Mamaia, and the sea temperature also continues its upward trajectory, averaging 23 °C (74 °F). As the tourist season nears its peak, the number of rainy days sees the beginning of a decline, with an average of 6 days. The night temperature hits its annual maximum, too, averaging 19 °C (66 °F), while the number of hours of daylight also reaches a zenith in this month.
August marks the climax of sea temperatures in Mamaia, with an average peak of 24 °C (75 °F). A relative scarcity in the number of rainy days is observed, with the minimal average of 4 days. The tourist season is in full swing, and the dry season begins to take shape. The wind speed dwindles to a minimum average in August.
As summer begins to wane in September, the sea temperature starts its gradual descent, averaging 21 °C (70 °F), and a subtle dip in day temperature begins, hovering around 23 °C (73 °F). The increase in rainfall initiates with an average of 37 mm (1.46 in), and a slight rise in the number of rainy days can be observed, averaging 5 days. The night temperature starts its descent as well, settling at an average of 15 °C (58 °F).
October brings a more noticeable drop in day temperatures to an average of 17 °C (63 °F) in Mamaia, and the sea temperature continues to decrease, averaging 17 °C (63 °F). Sun hours start to decline, averaging 4 hours, echoing the descent of night temperatures which average 10 °C (50 °F).
November's arrival signals a continued decline in day temperatures, now averaging 11 °C (52 °F) in Mamaia, as well as the sea's temperature descent, averaging 13 °C (55 °F). An upward trajectory in rainfall averages 42 mm (1.66 in), and the number of rainy days increases too, averaging 6 days. Sun hours also see a similar decrease from October, averaging 2 hours, while the drop in night temperatures continues.
December heralds the onset of winter in Mamaia, with the sea temperature dropping to an average of 9 °C (48 °F), and day temperatures mirroring the previous month's descent, now at 6 °C (43 °F). The rainfall also starts to decline, averaging 35 mm (1.37 in), while the number of rainy days continues to increase, reaching an average of 7 days. The descent in night temperatures becomes more apparent, averaging a mere 0 °C (32 °F). The shortest days bring the least amount of sun hours, averaging 2 hours.
In January, the night in Mamaia can get quite chilly with an average temperature dropping to -1 °C (29 °F)
February sees Mamaia's sea at its coolest with an average temperature of just 6 °C (42 °F).
March does see a rise in rainfall in Mamaia, with the average precipitation reaching 31 mm (1.23 in)
April promises an increase in sun hours, with an average of 4 hours of sunshine in Mamaia.
Indeed, May brings more sunshine to Mamaia with the number of sunny hours continuing to grow.
Yes, June witnesses the maximum rainfall in Mamaia, with an average of 43 mm (1.69 in)
Absolutely, July nights in Mamaia are the warmest with an average temperature of 19 °C (66 °F)
August indeed ushers in the dry season in Mamaia, highlighted by a minimal average of 4 days rainy days.
Certainly, with a sea temperature averaging 21 °C (70 °F), September remains an enticing time to visit Mamaia.
While cooler, the sea temperature in October in Mamaia, averaging 17 °C (63 °F), may still be acceptable for some swimmers.
The drop in temperatures in November is accompanied by a rise in rainy days, to an average of 6 days.
Indeed, December sees the shortest days in Mamaia, correlating with the least sun hours, averaging 2 hours.