Weather in London in May
How warm is it in London in May?
In May the typical daytime high in London is 19.6 °C on average, from 16.0 °C at the start to 23.0 °C at the end of the month.
That is 6.6 °C warmer than in April and 5.7 °C cooler than in June.
The last 10 years were 1.5 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Toronto (167 km) and Bowling Green Wwtp (265 km); nearer ones count more.