Here's the quote, from 1/26/2011, over a year ago... bold highlights added.
Originally Posted by Illumicare
... All of our LED lamps are moisture resistant. We will be having the line IP rated in the coming months.
The miniature lamps can be installed in open fixtures but should not have a pressurized spray directed onto them. blowing rain, condensation, etc should not be an issue as they have been sealed to protect them from this type of moisture contact.
The MR16 lamps are also moisture resistant and we have not had any issues with high humidity or condensation. They should not be submerged or come into contact with standing water.