Old Peugeot brakes not working in rain I have an old Peugeot bike that's pretty awesome but the brakes are bad. In good conditions they are weak, and when wet they stop working entirely. I wasn't sure what the issue was with this, and someone had recommended I buy entirely new rims. 

Is there any way to make these brakes work in the rain without buying entirely new wheels? I like this bike, but I'm not looking to spend hundreds of dollars to restore it.
Three initial things to do are:


Clean the rims, make sure they are free of anything that is acting as a lubricant. YOu may also consider carefully roughening them slightly with a fine grit sandpaper
Get the best replacement brake pads you can
Make sure the calipers are adjusted correctly and the pads are properly contacting the rim