April is a popular month to ask about Constanța Modern because conditions can shift week to week along this coast. Expect the water near 9.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Black Sea.
Constanța Modern sea temperature in April — averages 9.0°C
The sea at Constanța Modern in Romania averages 9.0°C during April, based on long-run climatology for the Black Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · April
9.0°C
cold · Poor
Live water now
…
Recommended wetsuit
5/4mm fullsuit + boots & gloves
At 9.0°C you need a 5/4mm fullsuit with boots, gloves and ideally a hood.
Monthly comparison
Cold — wetsuit recommended · Constanța Modern
Can you swim at Constanța Modern in June? — 21.0°C water21.0°CCan you swim at Constanța Modern in July? — 24.0°C water24.0°CCan you swim at Constanța Modern in August? — 25.0°C water25.0°CCan you swim at Constanța Modern in September? — 22.0°C water22.0°CCan you swim at Constanța Modern in October? — 17.0°C water17.0°CCan you swim at Constanța Modern in November? — 12.0°C water12.0°C
Frequently asked questions
What is the average sea temperature at Constanța Modern in April?
Constanța Modern averages 9.0°C in April, based on long-run climatology for the Black Sea.
Is the sea warm enough to swim at Constanța Modern in April?
Not without thermal protection — a wetsuit is recommended at 9.0°C.
Do I need a wetsuit at Constanța Modern in April?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.