Airplane crash-lands into Hudson River; all aboard reported safe. Story Highlights. NEW: Flight's pilot, C.B. Sullenberger, emerges as hero of miracle on the Hudson. All 155 passengers and crew aboard US Airways Flight 1549 alive, FAA says.
Summer can be very pleasant with temperatures averaging 18Â°C (64Â°F) and often into the low 20s. In recent years London has experienced heatwaves with temperatures well above 30Â°C (86Â°F). This is an ideal time to visit London's parks and open spaces or have a go at swimming and boating in London.
Weather in London. London has a temperate maritime climate with all four seasons and no extremes of temperature. However, it has a microclimate knows as an 'urban heat island'. The mass of heated buildings and people result in temperatures that are a couple of degrees warmer than outside of the city. As a result, London is one the warmest places in the UK.