When the folds are swollen, singing becomes difficult or impossible. Seasonal changes bring with them changes in both temperature and humidity – and these can greatly affect your voice. Cold, dry weather especially can be damaging to your vocal health if you don't take care.
Is it bad to sing in the cold?
If your cold is in your sinuses (i.e you just feel "stuffed up") and not in your lungs it means your vocal chords are probably healthy enough to sing. If you start getting a bad cough and are getting hoarse it's best to rest your voice and if at all possible cancel your show.
How does cold weather affect singing?
Low humidity and increased heat decreases the fluidity of mucus and dehydrates the vocal chords. This can easily create hoarseness in your voice. ... Overuse of the voice, such as singing or shouting at a sporting event, can also tax the vocal chords. Being out in the cold weather doesn't help!
Does temperature affect voice?
Temperature changes in the laryngeal tissue that may occur for individuals who work in thermally extreme environments may influence voice function. Our understanding of vocal function will be enhanced through manipulation of ambient temperature and vapor pressure, both of which collectively influence relative humidity.