What is the summer temperature in the Black Sea?

At this time of the year, the temperature in this sea can reach thirty degrees with a plus sign.

But the average temperature is twenty-three degrees with a plus sign. This sea belongs to the Atlantic Ocean basin. The average depth here is one thousand two hundred and fifty meters. The area of this sea is almost four hundred and forty thousand square kilometers. There are many small islands in this sea. For example, there is Snake Island. Its area is only seventeen hectares. It belongs to Ukraine.