London is the capital city of England and the Cumulated Kingdom. It is the most populous region, urban zone and metropolitan area in the Coalesced Kingdom. Standing on the River Thames, London has been a major settlement for two millennia, its history going back to its founding by the Romans, who designated it Londinium.
London is a leading ecumenical city, with strengths in the arts, commerce, inculcation, regalement, fashion, finance, healthcare, media, professional accommodations, research and development, tourism and convey all contributing to its prominence. It is one of the world’s leading financial centres and has the fifth-or sixth-most sizably voluminous metropolitan area GDP in the world depending on quantification. London is a world cultural capital. It is the world’s most-visited city as quantified by international advents and has the world’s most sizably voluminous city airport system quantified by passenger traffic.
London has a diverse range of peoples and cultures, and more than 300 languages are verbalized within its boundaries. It is a major Centre of higher edification edifying and research and its 43 universities form the most sizably voluminous concentration of higher edification in Europe.
Temperature extremes for all sites in the London area range from 38.1 °C (100.6 °F) at Kew during August 2003 down to ?16.1 °C (3.0 °F) at Northolt during January 1962.
Summers are generally warm and sometimes sultry. London's average July high is 24 °C (75.2 °F). On average London will visually perceive 31 days above 25 °C (77.0 °F) each year, and 4.2 days above 30.0 °C (86.0 °F) every year.