I have a "no camping in rain" rule.
We're in Victoria, and we went camping at Easter when there was rain forecasted, him who shall remain nameless said it would be ok and just a few showers.
Well of course it pissed down, it was miserable. So we only ended up staying 2 nights, I woke him at 7am on the Sat morning told him he had another hour of sleeping and then he was getting up and we were going home.
Oh we're tent sleepers by the way, and take 4 of the kids camping with us, with the youngest turning 3 this week, trying to explain to a little girl to keep out of the rain was impossible.
Haven't been able to go camping at the moment, due to fires we've had where we normally camp, but we got the new camp kitchen yesterday so I'm champing at the bit to go again now.
(sorry for such a long winded reply