Cold weather is a universal struggle. By stating, "It’s cold outside," the creator immediately establishes common ground with the listener. You are both suffering from the same winter bite. This bridges the gap between the audio and the listener's physical reality.
(Sound: The pour of a liquid—thick, syrupy. Possibly hot chocolate or mulled cider. A spoon tinks against a ceramic mug.) lovely lilith its cold outside high quality
"Oh... you’re shivering."