Find out more about types of precipitation - including rain, snow, sleet and hail - and what causes it to fall.
We also take a look at where gets the most rain in the UK and what causes flash flooding.
There are three different ways of turning moist air into cloud, so that it rains or snows.
Find out how much rain we get in the UK and where gets the most rainfall.
The definition of precipitation is any form of water - liquid or solid - falling from the sky.