Christmas 2026 snow forecast
Will it snow in Llantwit Major?
Christmas Day snow odds for Llantwit Major, from 34 winters of observations and our 1 km forecast model.
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Christmas snow in Llantwit Major
The calibrated long-range estimate for Llantwit Major is fewer than 1 year in 10. It combines the 1991–2024 HadUK-Grid reconstruction with calibration across rolling historical test periods.
1%
White Christmas
1%
Snow on the Day
1%
Snow on the Eve
Christmases in Llantwit Major, 1991–2024
Modelled history
Estimated falling snow on Christmas Eve or Day
0of 34
1990s
2000s
2010s
2020s
About Llantwit Major
Elevation
48 m
Region
Wales
Model
1 km, in-house
Higher and more northerly places tend to score better, and Llantwit Major sits at 48 m.
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Cite this forecast
You are welcome to quote these odds. Please credit White Christmas UK with a link to this page. Figures update as the forecast comes into range, so the date matters.
Text
Llantwit Major has a 1% chance of a white Christmas in 2026, according to White Christmas UK (as of 5 November 2026). https://whitechristmas.uk/uk/wales/llantwit-major
HTML with link
<p>Llantwit Major has a 1% chance of a white Christmas in 2026, according to <a href="https://whitechristmas.uk/uk/wales/llantwit-major">White Christmas UK</a> (as of 5 November 2026).</p>
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Frequently asked questions
- Will it snow in Llantwit Major this Christmas?
- The current estimate is a 1% chance of a white Christmas in Llantwit Major in 2026. This far out the number comes from our climate model; it sharpens on its own as the live forecast comes into range, within about a month of Christmas.
- How often does Llantwit Major have a white Christmas?
- The calibrated long-range estimate for Llantwit Major is 1%, based on the 1991–2024 HadUK-Grid record and rolling historical validation.
- When did Llantwit Major last have a white Christmas?
- Our 1991–2024 reconstruction has no year meeting the Christmas snow threshold for Llantwit Major. That does not prove snow never fell: the model estimates falling snow on 24 or 25 December and ends in 2024.