“Cool Met Stuff”: Damp Days

14 February 2025

After a relatively cool winter, early spring arrives with fluctuating temperatures and the weather starts to become humid. Once again, the season of “Damp Days” are coming. But what exactly are “Damp Days”? Apart from humid weathers, walls and floors might cover with water droplets, but why does this phenomenon only occur during “Damp Days”? In the latest episode of “Cool Met Stuff”, we will explain what is “Damp Days” and the reasons of the formation of water droplets on walls during “Damp Days”.

The video is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing (programme is broadcasted in Cantonese).

Welcome to view "Cool Met Stuff" from this link (broadcast in Cantonese).
Broadcast schedule of various TV channels can be found here.