Re: why are dogs' noses wet?

Dear Kyle,

The canine nose is normally cool and moist, but not always wet. It has no 
sweat glands; the moisture is caused by the mucus lining. 

Incidentally, do not believe the folklore that the wetness of a dog's nose 
is an indication of the dog's health. A dog's nose can be wet, moist or 
dry at any given time. If there is any indication that the dog is sick 
(such as a mucus discharge)  you should take the animal to see a 
veterinarian.

Best wishes,
Elsa