Climate The United Kingdom is a small nation in physical size.At 244,110 sq km,like the rest of northern Europe,it is warmed by the Gulf Stream flowing out of the North Atlantic Ocean.The climate,in general,is mild,chilly,and often wet.Rain or overcast skies can be expected for up to 300 days per year.These conditions make Britain lush and green,with rolling plains in the south and the east and rough hills and mountains in the west and the north. Population Despite its relatively small size,Britain is highly populated,with an estimated population density of 272.7 persons per sq km in 2020.It is economically highly developed preeminent in the arts and sciences,sophisticated in technology,which belongs to one of the more affluent states of Europe and enjoys a high standard of living compared with the rest of the world. Climate The United Kingdom is a small nation in physical size. At 244,110 sq km, like the rest of northern Europe, it is warmed by the Gulf Stream flowing out of the North Atlantic Ocean. The climate, in general, is mild, chilly, and often wet. Rain or overcast skies can be expected for up to 300 days per year. These conditions make Britain lush and green, with rolling plains in the south and the east and rough hills and mountains in the west and the north. Population Despite its relatively small size, Britain is highly populated, with an estimated population density of 272.7 persons per sq km in 2020. It is economically highly developed preeminent in the arts and sciences, sophisticated in technology, which belongs to one of the more affluent states of Europe and enjoys a high standard of living compared with the rest of the world