Christmas 2026 snow forecast
Will it snow in Tredegar?
Christmas Day snow odds for Tredegar, from 34 winters of observations and our 1 km forecast model.
Share your town’s forecast card →What history says
Christmas snow in Tredegar
The calibrated long-range estimate for Tredegar is about 1 year in 10. It combines the 1991–2024 HadUK-Grid reconstruction with calibration across rolling historical test periods. The most recent modelled white Christmas in the underlying record was 2009.
7%
White Christmas
3%
Snow on the Day
4%
Snow on the Eve
Christmases in Tredegar, 1991–2024
Modelled history
Estimated falling snow on Christmas Eve or Day
5of 34
1990s
2000s
2010s
2020s
Beyond Christmas Day
Will it snow in Tredegar this winter?
At Lyneham, the nearest long-running weather station (92 km away), snow has settled in 65% of winters, on about 2.6 days a winter. It usually first settles around 29 January, and lies there in December in 30% of years.
Will it snow in the UK this winter? When and where snow usually arrives →About Tredegar
Elevation
321 m
Region
Wales
Model
1 km, in-house
Higher and more northerly places tend to score better, and Tredegar sits at 321 m.
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Share Tredegar’s snow forecast
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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
Tredegar has a 7% chance of a white Christmas in 2026, according to White Christmas UK (as of 5 November 2026). https://whitechristmas.uk/uk/wales/tredegar
HTML with link
<p>Tredegar has a 7% chance of a white Christmas in 2026, according to <a href="https://whitechristmas.uk/uk/wales/tredegar">White Christmas UK</a> (as of 5 November 2026).</p>
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Frequently asked questions
- Will it snow in Tredegar this Christmas?
- The current estimate is a 7% chance of a white Christmas in Tredegar 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 Tredegar have a white Christmas?
- The calibrated long-range estimate for Tredegar is 7%, based on the 1991–2024 HadUK-Grid record and rolling historical validation.
- Will it snow in Tredegar this winter?
- Quite possibly, though not every winter. At Lyneham, the nearest long-running weather station (92 km away), snow has settled in 65% of winters, on about 2.6 days a winter, usually first around 29 January. Snow lies there in December in 30% of years.
- When did Tredegar last have a white Christmas?
- The most recent modelled Christmas snow signal for Tredegar was 2009, in our 1991–2024 reconstruction. This covers falling snow on 24 or 25 December; it is not a verified observation of snowfall on Christmas Day.