The dominant feature of climate in the UK is its great dependence on the Atlantic Ocean. In the Gulf Stream carries enormous quantities of water from the tropical temperate Gulf of Mexico to the coasts of western Europe, which are thus benefit from their enormous contribution heat. The prevailing winds from the west on the British isles accumulate masses of temperate and humid air, which produce abundant rain in the western slopes of the mountains. Although the precipitation rain fall as it moves to the south and the east, amounted to little more than 500mm on the estuary of the Thames, the atmosphere remains moist and misty most of the year. The rains are distributed across all stations, and atmospheric instability is constant. The temperatures vary little throughout the year. Due to oceanic influence, the mean range in winter, between 4 and 6 ° C in the north and in the summer, between 12 ° and 17 ° C in the south. Although winter snow fall, in general they only have some importance in the uplands of Scotland and the largest increases. In the plains of southeast, temperatures will allow for the cultivation of wheat, and the back of the channel enjoy relatively sunny climate. In various parts of the islands, the days of fog varies between 5 and 55 per year. The once famous London fog, which blended the smoke of the factories was the smog, decreased greatly, due to stringent anti-pollution measures.
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