Originally Posted by
sexten
Especially in that part of Thailand, it is impossible to say during that season. You could end up having more or less a week of sun, or you could have a week of rain. Nobody will be able to tell you your chances
I suggest not over-nighting on Koh Phi Phi though (not due to weather, but because it will give you nothing extra compared to a day-trip via boat).
Is it silly to do this trip in July? I'm deciding between somewhere in Asia or Europe. Maybe I should let this go.