In general, the surface temperature of the Atlantic Ocean ranges from about -2°C (28°F) in the Arctic Ocean to about 28°C (82°F) in the tropical regions near the equator. The warmest surface temperatures are found in the Gulf of Mexico and the Caribbean Sea, while the coldest surface temperatures are found in the Labrador Sea and the Baffin Bay.
The temperature of the ocean also varies with depth. The deeper you go, the colder the water becomes. This is because sunlight cannot penetrate very deeply into the ocean, so the water at greater depths does not get as much heat from the sun. The bottom of the Atlantic Ocean is very cold, with temperatures as low as -1°C (30°F).
The temperature of the Atlantic Ocean is also influenced by ocean currents. Ocean currents are like rivers in the ocean, and they can transport warm water from one part of the ocean to another. For example, the Gulf Stream is a warm ocean current that flows from the Gulf of Mexico to the North Atlantic Ocean. This current helps to keep the North Atlantic Ocean warmer than it would be otherwise.
The temperature of the Atlantic Ocean is important for a number of reasons. It affects the climate of the surrounding land areas, and it also plays a role in the ocean's circulation patterns. Additionally, the temperature of the ocean is important for marine life, as some species can only survive in certain temperature ranges.