[ she's chilled, but not to the point of interference. the discomfort caused by her chilled implants is more annoying than anything else. she will, as the borg say, adapt. the clothing more than does the trick, though is considerably more bulky than what officers aboard a starship would be putting on before departing out into frozen territory -- not that these temperatures are extreme, starfleet regulation clothing is simply more efficient. ]
I would suggest a glitching of their systems if not for the timing of this holiday. [ research tells her it traditionally took place in the winter months of old earth. ] It would be a fitting setting for such an occurrence if not for the entropy of the day itself.