Parts of Britain have experienced a white Christmas after snow fell for a couple of hours in Spadeadam, Cumbria.
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The Met Office said that southern Scotland saw rain turn into snow on Monday night.
While some saw flurries of snow, other areas in the UK were mostly mild, with the highest temperature recorded in Bude, Cornwall at 12.6C.
Meanwhile, Boxing Day is set to be wet and wintry for many, with warnings of rain and snow in place for the Midlands and Wales from 6pm.
Forecaster Luke Miall at the Met Office told the Daily Express: "We will continue to see a few wintery flurries across northern parts of England, again, mainly over the hills.
"Otherwise, many areas will start Boxing Day on a fine note, a lot of sunshine around, it will be a colder day though.
"Later in the day we will start to see some wet weather pushing into the south-west combined with some strong winds as well."
Mr Miall added: "Temperature-wise, much colder than recent days, single figures for the most part.
"Rain will bump in through some cold air across parts of Wales and the midlands, giving the risk of some hill snow, and some heavy rain as well."
For Boxing Day night, the Met Office says there will be persistent and locally heavy rain over the south of the UK with some wet snow, especially over the hills, clearing the west later.
Wednesday's forecast reads: "Rain and snow clearing the southeast, leaving a colder, drier and brighter day for most. Windy for all with coastal gales. Showers in coastal areas, turning wintry over higher ground."