Thanks for the reply, it was 8 degrees C.
To add some additional info the de-mist function was not working either, which is how I noticed it. So rather than having a blast of air to clear the windows nothing happens. However, for some strange reason when the car is cold the power de-mist does work but once it's warm despite everything being misted up and the outside temperature being warm enough the air con doesn't seem to engage.
br
D