Alternative Beta for the roof section: If you‘re a little too short to keep your feet on the ledge to reach around to the slopers, a little jump works just fine ;)
Rain sucks, but broken holds suck even more. Remember, never climb on wet rock in Fontainebleau.
The sandstone becomes brittle, and pulling on it will ruin classic problems. Drying it doesn't help, because it's still wet and weak inside.
All you can do is wait for better conditions.