About 760 mm per year. Scotland is the coldest region in the UK - the average January temperature is about 3°C in the mountains in the North often snows. The average July temperature is about 15°C. The largest amount of rainfall (about 3810 mm per year) falls in the West highlands region (Highlands), less in some Eastern regions (about 635 mm a year) . The climate of Wales as well as the climate of England is mild and damp. Average temperature for January is around 5.5°C, in July -about 15.5°C Average annual precipitation is about 762 mm in the Central coastal region and more than 2540 mm in the array Snowdon (Snowdon). The weather in the UK is subject to daily jokes and discussions. Foreigners generally prevalent opinion that the country is constantly shrouded in mist. But it's not. Since then, as the British ceased to Stoke the furnace in homes with coal and switched to gas, smog over cities disappeared. However, the weather in Britain is very changeable: rain and sun can replace each other in a matter of minutes, so going for a walk, do not forget to take the umbrella.