Why does it rain?
There are three different ways of turning moist air into cloud, so that it rains or snows.
Rain - and other forms of precipitation - occur when warm moist air cools and condensation occurs.
Since warm air can hold more water than cool air, when the warmer air is cooled the moisture condenses to liquid - and it rains.
The video and text below explain how rain forms and the different types of rain that we get in the UK.
Transcript: Transcript - Why does it rain?