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.
Averages for London in April. The weather continues to get better in April in London, UK when spring is in full bloom. This month is characterised by rising daily temperatures, with average daily highs increasing from 13Â°C on April 1st up to 16Â°C by April 30th, rising above 21Â°C or falling below 10Â°C very rarely â only one day out of every ten.