The UK witnessed its warmest Christmas Eve in more than 20 years. Temperature in Heathrow hit 15.3C.
Met Office expert Liam Eslick said: "It’s been an exceptionally mild couple of days across all of the UK, temperatures have been well above average for the time of year, the maximum for December being 7C."
"Temperatures [Sunday] have reached 15C in quite a few locations across the UK, the highest being 15.3C in two locations – one in Heathrow and one in Cippenham, Berkshire."
The Christmas also became one of the hottest Christmas days in years with parts of the UK expected hit 14C.
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