Equator

Equator- great circle around the Earth that is everywhere equidistant from the geographic poles and liesin a plane perpendicular to the Earth’s axis.  Equator divides the Earth into the Northern and Southern hemispheres and forms the imaginary reference line on the Earth’s surface from which latitude is calculated; in other words, it is the line with 0° latitude. At the equinoxes, the Earth's axis is not tilted toward the sun; instead it is perpendicular to the sun meaning that the day is about 12 hours long, as is the night, across the whole of the Earth. Near the Equator there is little temperature fluctuation throughout the year. The terms summer, autumn, winter and spring do not generally apply.  Lowlands around the Equator generally have a tropical rainforest climate, also known as an equatorial climate. Average annual temperatures in equatorial lowlands are around 30 °C (86 °F) during the day and 23 °C (73 °F) at night.  Average rainy days are around 200 per year and average annual sunshine hours around 2,000. Activities like water sports are preferred in the equatorial countries.