average weather in may in london
These two factors make London weather slightly warmer in may than anywhere else in the UK. Nightime temperatures are typically about 9 or 10C in may. Frost is a very rare event in london in may, and if it occurs it's very light. On average in may, the weather is sunny for about 40-45% of daylight hours. Long days at this time of year mean that it'll be sunny for about 6 or 7 hours a day on average, Although the weather can remain wet or cloudy for several consecutive days sometimes.