Met Office gives Christmas weather update as map reveals which parts of Britain will be hotter than Rome over festive period

Christmas Day and Boxing Day are set to be 'exceptionally mild' for the time of year with temperatures 10C above average in some areas, the Met Office revealed today. Met Office temperature maps forecast highs of between 10C and 12C at 3pm on Christmas Day across all of England, Wales, Scotland and Northern Ireland. This Met Office map shows the temperatures currently forecast for 3pm on Christmas Day Christmas shoppers walk along Regent Street in London's West End this morning Bookmaker William Hill is offering 7/1 that Britain will have its warmest ever Christmas Day - with the highest ever December 25 temperature set in 1920 at 15.6C. Met Office records for Christmas Day Maximum temperature : 15.6C at Killerton in Devon in 1920 : 15.6C at Killerton in Devon in 1920 Minimum temperature : -18.3°C at Gainford, Durham in 1878 : -18.3°C at Gainford, Durham in 1878 Deepest snow : 47cm at Kindrogan in Perthshire in 1981 : 47cm at Kindrogan in Perthshire in 1981 Wettest : 165.4mm at Capel Curig in Gwynedd in 2015 : 165.4mm at Capel Curig in Gwynedd in 2015 Windiest : 101mph at Sella Ness in Shetland in 2011 : 101mph at Sella Ness in Shetland in 2011 Sunniest : 7.5 hours at Penzance in Cornwall and Aberporth in Dyfed in 1944; Faversham in Kent in 1979; and Camborne in Cornwall in 2010 Ms Hicks said: 'We'll start to see high pressure to the south of the UK bringing in more settled and much milder conditions from Christmas Eve. William Hill spokesman Lee Phelps said today: 'We've been closely monitoring temperatures throughout December and reckon there's a good chance that the current record for the warmest ever Christmas Day will be surpassed next week.