properties of Ocean and water

Because the Northern Hemisphere is dominated by land and the Southern Hemisphere by sea, temperature differences between summer and winter are more extreme in the Northern Hemisphere (the land warms and cools more quickly than the ocean). In the diagram, average land and sea temperatures are shown for each place on Earth, from the North Pole (left) to the South Pole (right). New Zealand is located around 40º S, in the temperate climate zone, where land temperatures change about as much as sea temperatures. For our antipodes at the other side of the globe, the situation is much different. They experience hotter summers and colder winters.