Ah. It's definitely not a big fan of loads of rain. I should also mention it likes being pot-bound.
If you repot it into a bigger pot, it can sometimes kill it because the larger pot retains too much water and it sort of drowns.
I learnt that the hard way. Lost one. She was a beauty too.
There are native orchids to Hawaii, if I remember correctly. I know there's a lady that keeps lots of orchids in her garden, located in her trees, etc.