Mamaia (Constanța) weather in April
April in Mamaia: cool, a little rain, with clean air — a great time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Mamaia · #903 of 1413 destinations to visit in April · comfort 75/100 (tier B)
- Days
- 16°C
- Nights
- 8°C
- Wet days
- 5
- Sun
- 10.2 h
- Humidity
- 73%
- Daylight
- 14 h
Traveller notes on Mamaia in April
Other months in Mamaia
Romania's forum describes February as genuinely cold nationwide, typically 0-5C by day with a real chance of snow, and one Bucharest visitor reported nights as low as -14C during a cold snap. Mamaia's coastal position moderates things somewhat compared to inland cities, but posters were clear the Black Sea coast is fundamentally a summer destination - most of what makes Mamaia appealing (the beach, the resort strip) is dormant this time of year, so it's really a stopover rather than a winter destination in its own right.
Forum posters name the July 15 to August 25 window as the best time to visit Mamaia, when the Black Sea stays warm and comparatively shallow near shore. Posters describe typical conditions as very warm, above 30C in Romania's lower-elevation coastal areas, with one visitor even in late September reporting a fabulous 32C with clear skies and a gentle breeze - suggesting August itself should run at least as warm. Posters consistently flag real crowding as the trade-off for that peak-season heat and sunshine, describing Mamaia as one of Romania's more traditional resorts and especially packed during July and August. Posters generally rate August as ideal for a beach vacation here, crowds notwithstanding.
Add your own note from Mamaia's card on the map.
Mamaia climate normals — April
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Mamaia in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyMay Day on the coast, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Mamaia's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherMamaia's weather peaks July–September, best around August.
Best weatherFair weatherToughest weather
What's on in Mamaia in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
May Day on the coast
29 Apr – 3 May · usuallyNational holidayCrowded1 May is a public holiday and the unofficial opening of the Black Sea season: young Romanians pour in for the long weekend, terraces and clubs open, and rooms book up at higher rates, even though the sea is still cold. Source ↗
- Season
Resort shutdown
20 Sep – 20 May · usuallyOff-season shutdownClosuresMamaia is a purpose-built summer strip and it closes almost completely: hotels shuttered, the cable car stopped, the club terraces stacked and wrapped. Constanța next door stays a working city, which is where you go instead.
Nearby, and something's on
Within 300 km of Mamaia — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Mamaia?
Mamaia in April — FAQ
- Is April a good time to visit Mamaia?
- April in Mamaia: cool, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Mamaia on SeasonMap's comfort score (75/100).
- What is the weather like in Mamaia in April?
- In April, Mamaia averages a daily high of 15.8°C and a low of 8°C, with about 35.9 mm of rain over roughly 4.9 rainy days.
- What is the air quality in Mamaia in April?
- Mamaia has a mean US Air Quality Index of about 43 in April.
Within 300 km: Brașov's Junii Brasovului around 5 Apr – 10 May, and Sunny Beach's The winter shutdown around 10 Oct – 30 Apr.