Will it be a White Christmas in Carmarthen?
Snow odds for Carmarthen, Wales, on Christmas Day 2026.
The historical picture
Over the 34 years from 1991–2024, Carmarthen has had a white Christmas about 1 year in 10: 2 of 34 years saw snow fall on Christmas Eve or Day. The most recent was 2009.
6%
White Christmas
3%
Snow on the Day
0%
Snow on the Eve
Christmases in Carmarthen, 1991–2024
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White Christmas No snow
About Carmarthen
Elevation
23 m
Region
Wales
Model
1 km, in-house
Higher and more northerly places tend to score better, and Carmarthen sits at 23 m.
Nearby places
Frequently asked questions
- Will it snow in Carmarthen this Christmas?
- The current estimate is a 6% chance of a white Christmas in Carmarthen 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 Carmarthen have a white Christmas?
- Over 1991–2024, snow fell on Christmas Eve or Day in Carmarthen about 1 year in 10 (2 of 34 years).
- When did Carmarthen last have a white Christmas?
- The most recent white Christmas in Carmarthen in our 1991–2024 records was 2009.