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"London Climate-Weather-Temperature
London has a temperate marine climate, like much of the British Isles, so the city rarely sees extremely high or low temperatures. Summers are warm with average high temperatures of 23 °C (73 °F) and lows of 14 °C (57 °F), however, temperatures could exceed 25 °C (77 °F) on many days. Winters in London are chilly, but rarely below freezing with temperatures around 2 - 8 °C (36 - 46 °F), while spring has mild days and cool evenings.
London has regular but generally light precipitation throughout the year, with average precipitation of 583.6 millimetres (22.98 in) every year. Snow is relatively uncommon, particularly because heat from the urban area can make London up to 5 °C (9 °F) hotter than the surrounding areas in winter. Light snowfall, however, is sometimes, but not always, seen up to a few times a year. London is in USDA Hardiness zone 9, and AHS Heat Zone 2.
In the second half of the 19th century and the first half of the 20th, London was noted for its dense fogs and smogs. Following the deadly Great Smog of 1952, the Clean Air Act 1956 was passed, leading to the decline of such severe pollution in the capital."
This articol is release from GNU Free Documentation License. It use material from Wikipedia voices: "London".
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