A good problem for all body types. Sitstart in the middle of the overhang and exit with a small horizontal crack using various methods depending on your size.
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.