What is the average ocean temperature?

 What is the average ocean temperature?

Although ocean temperatures vary depending on depth and latitude, scientists estimate that 87 percent of the world's overall ocean water averages about 40°F (4.4°C) or less. But there are many variations. For example, water temperatures in the shallow Persian Gulf can reach as high as 104°F (40°C). The water temperature at the equator averages about 75 to 85°F (23.9 to 29.4°C). The coldest oceans are the Arctic and Antarctic, both polar oceans containing a permanent covering of ice that feeds cold water into the global ocean circulation. Temperatures there range from 32 to 40°F (0 to 4.4°C).