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.
Warm weather can usually be expected from May to September. Winters in London are chilly, but rarely below freezing, with daytime highs around 6 Â°C (43 Â°F) â 8 Â°C (46 Â°F). Winter temperatures can reach as high as 16 Â°C (61 Â°F) occasionally, and also below 0 Â°C (32 Â°F) during daytime, especially in 2010â2011 winter.