Horror films and festive holidays don't always mix. They are tonally and thematically divergent, and like horror and comedy, the combination of genres does not always succeed as cinema. The popular image of the Christmas season is all about family gatherings and gift-giving, a time for reflection and relaxation. When terror and gore disrupt that tranquil equation, the audience does not always accept the result.
Source:https://www.cbr.com/best-christmas-horror-movies/