The average temperature in the marine biome varies depending on the location and depth of the water. In general, the surface temperature of the ocean ranges from about -2°C (28°F) in the polar regions to around 30°C (86°F) in tropical areas. However, the temperature can drop significantly as you go deeper into the ocean. For example, in the deep ocean, temperatures can be as low as 1-4°C (34-39°F).
The temperature in the marine biome is influenced by several factors, including sunlight, ocean currents, and the Earth’s climate. Sunlight warms the surface waters, while ocean currents can transport warm or cold water to different regions. The Earth’s climate also plays a role, as global warming can lead to higher average temperatures in the marine biome.
In summary, the average temperature in the marine biome can range widely, but it generally falls between -2°C and 30°C at the surface, with colder temperatures found in deeper waters.