If you just want the answer: 4 degrees Celsius If you want a bit of physics: Water is weird, when it freezes it expands. Which means that ice is less dense than water, in other words, the molecules must get further apart. At the bottom of the ocean, heaps of pressure pushes the water molecules together, this means that the water is unable to freeze. As many people know, water freezes at 0 degrees celsius. Therefore the water at the bottom of the ocean has a temperature above 0 degrees celsius. To go even further - water is the most dense at approximately 4 degrees Celsius and if the most dense water sinks (which it does) then the water at the bottom of the ocean must be approximately 4 degrees celsius.
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Answer
In places the minimum surface temperature is 22 °C (72 °F), exceeding 28 °C (82 °F) to the east, But as you pass the 40° south latitude, temperatures drop very quickly.
22 to 28 degrees Celsius
In the open ocean, the water temperature is much colder, around 1° to 2° Celsius at a depth of several hundred meters.
The surface temperature of the Indian ocean reaches its highest point during summer in the Bay of Bengal where temperatures of 82°F (28°C) have been recorded.
A
fishy rocky sandy wet
The Indian ocean lies to the east of Africa,
The Indian ocean is the warmest ocean
Indian Ocean. It has an area of 26,469,900 square miles and is near the Southern Ocean, Asia, Australia and Africa. The largest ocean is the Pacific, followed by the Atlantic, the Indian, the Southern and then the Arctic Ocean.