Possible Clues:

• What's heard in the three longest answers
• 'It's c-c-cold'
• “Close that window!”
• “These sheets are freezing!”
• "It's chilly!"
• 'Wow, it's cold!'
• (Shivers)
• Exclamation not heard (alas) in ''Hamilton''
• Sound at the end of December, appropriately?
• Comment with a shiver