<P> Coordinates: 90 ° 0 ′ 0" N 0 ° 0 ′ 0" E ﻿ / ﻿ 90.00000 ° N 0.00000 ° E ﻿ / 90.00000; 0.00000 </P> <P> The Northern Hemisphere is the half of Earth that is north of the Equator . For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's North pole . </P>

Coldest month in northen hemisphere and warmest in southern hemisphere