Time to get out the uke and practice.
Christmas is around the corner. You’ve gotta know “All I Want For Christmas Is You.” Get the tabs here: https://ukutabs.com/m/mariah-carey/all-i-want-for-christmas-is-you/
If you need some traditional melodies, here is the Ukulele Christmas Songbook: http://www.ukuke.co.uk/Ukulele%20Christmas%20Song%20Book.pdf
Let it Snow!