I Does high humidity air transfer sound better than dry air?

AI Thread Summary
High humidity can affect sound transmission, with humid air being less dense than dry air, potentially altering sound quality. Wet road conditions increase tire noise, indicating that moisture can enhance sound propagation in certain environments. Hot air's ability to hold more moisture compared to cold air may also influence how sound travels. Additionally, temperature stratification can create a waveguide effect, allowing sound to travel further than the typical inverse square law would suggest. Overall, humidity and temperature play significant roles in sound transmission dynamics.
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TL;DR Summary
Sometimes highway traffic 1/4 mile away sounds like its in our yard then other times traffic is hardly noticeable.?

2 weeks of no rain traffic is hardly noticeable. Now 5 days of none stop rain traffic sounds like its in the back yard.
Does high humidity air transfer sound better than dry air?
 
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Road traffic makes more tire noise when the road is wet.
Humid air is less dense than dry air at the same temperature and pressure.
Hot air can dissolve more moisture than cold air.
A horizontal stratification of temperature can duct sound in a waveguide, rather than inverse square law.
 
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