How do you say merry Christmas and a happy new year to all in welsh?

Here's how to say "Merry Christmas and a Happy New Year to all" in Welsh:

Nadolig llawen a blwyddyn newydd dda i bawb!

Here's a breakdown:

* Nadolig llawen: Merry Christmas

* a: and

* blwyddyn newydd dda: Happy New Year

* i bawb: to all

Let me know if you'd like to learn how to say anything else in Welsh!