2 Mai Beach — Sea temperature now
Romanian Black Sea beach near 2 Mai.
Warm water with a light chop and a light breeze — great swimming conditions.
Location
2 Mai Beach on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Monthly sea temperature averages
Typical year-round water temperature, based on regional climatology.
Best time to swim in 2 Mai Beach
The sea in 2 Mai Beach peaks in August, when the water averages around 25°C.
The main swimming season runs from June – September, when surface temperatures stay comfortable for extended sessions.
On average, 4 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 10°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 3°C, when cold-water swimmers dominate the coast.
2 Mai Beach sea temperature history
Long-term climatology for 2 Mai Beach shows an annual mean sea temperature of 14°C, ranging from 3°C in winter to 25°C at the summer peak.
The seasonal swing is roughly 22°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at 2 Mai Beach, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
2 Mai Beach sea temperature: frequently asked questions
What is the warmest month to swim in 2 Mai Beach?
August is the warmest month in 2 Mai Beach, when the sea averages about 25°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in 2 Mai Beach?
The coldest month in 2 Mai Beach is typically February, when the water averages around 3°C. Cold-water swimmers and surfers dominate this period.
When can you swim in 2 Mai Beach without a wetsuit?
The main swimming season in 2 Mai Beach runs from June – September — about 4 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in 2 Mai Beach?
Outside peak summer the water in 2 Mai Beach drops toward 10°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in 2 Mai Beach?
The long-term annual mean sea temperature in 2 Mai Beach is about 14°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in 2 Mai Beach?
The live reading at the top of this page shows the current sea temperature in 2 Mai Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jun – Jul – Aug – Sep
| Month | Sea | Comfort |
|---|---|---|
| Jan | 4°C | Cold |
| Feb | 3°C | Cold |
| Mar | 5°C | Cold |
| Apr | 9°C | Cold |
| May | 15°C | Bracing |
| Jun | 21°C | Pleasant |
| Jul | 24°C | Warm |
| Aug ⭐ | 25°C | Warm |
| Sep | 22°C | Warm |
| Oct | 17°C | Bracing |
| Nov | 12°C | Cold |
| Dec | 7°C | Cold |