Steamy Headlights

[1606ian]

After a drive in the rain this afternoon my headlights looked like this



Any ideas why they should be steamed up and is it a problem? (warranty expires next week). Car doesn’t usually go out in the rain (had to go out today to get it’s MoT) so I can’t say that I’ve noticed this before.

[Twinfan]

Perfectly normal, the lights are vented.