British Isles British Isles The British Isles are an archipelago in the North Atlantic Ocean off the north-western coast of continental Europe that consists of the islands of Great Britain, Ireland, the Isle of Man and over six thousand smaller isles. They have a total area of about 315,159 km and a combined population of just under 70 million, and include two sovereign states, the Republic of Ireland (which covers roughly five-sixths of the island of Ireland) and the United Kingdom of Great Britain and Northern Ireland. The islands of Alderney, Jersey, Guernsey and Sark, and their neighbouring smaller islands, are sometimes
Climate of the British Isles not often switch between great extremes, with warm summers and mild winters. The British Isles undergo very small temperature variations. This is due to its proximity to the Atlantic, which acts as a temperature buffer, warming the Isles in winter and cooling them in summer. Coastal areas tend to be more temperate than inland areas, as the influence of the ocean is less acute. Valleys can be especially cold, as cool air collects in them during the winter. July is usually the warmest month, with the highest temperatures being found closest to Continental Europe, in south-east England. Temperatures usually do