Dreaming of a White Christmas?

Christmas weather forecast

TheWeatherOutlook says is based on computer models and the weather patterns during the autumn. Regular updates have started.

The Computer says uses raw computer model data. Daily updates are published.

TheWeatherOutlook says

Welcome to the Christmas Day 2020 countdown.

Update 8: Reduced chance

The last widespread White Christmas in the UK was in 2010. December was an extremely cold month that year and according to the Met Office 83% of stations recorded snow on the ground on December 25th. This year marks the tenth anniversary and since then we have had some exceptionally mild winters. Will this year buck the trend? 

At this stage the TWO view continues to be that there is a greater chance of northwesterly or northerly winds during December 2020. Generally they bring rather cold conditions to the UK in the winter months with the greatest risk of snow in northern and western coastal areas. Disturbances in the flow can at times result in more widespread snow. 

The eighth update reduces the percentage chance of snow this Christmas in all regions. It continues to suggest snow on Christmas Day this year is most likely in the north and west. As usual in the UK high ground is more likely to see some of the white stuff. 

The latest considerations are:

1) Recent weather patterns

2) Seasonal computer model including C3S which now covers the meteorological winter

2) The likelihood of La Nina conditions 

Chance of snow on Christmas Day

Updates: 1 01/09, 2 06/09, 3 13/09, 4 20/09, 5 27/09, 6 04/10, 7 10/10, 8 18/10

By Nandaro [CC BY-SA 3.0], via Wikimedia Commons

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14 day Month Season Day 17 to 30 Day 30 to 150 Xmas weather

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