Roughly, a cave's temperature is the yearly average surface temperature of that area. Exceptions: some caves have areas that trap cold winter air and hold that colder temperature into late spring or even summer. Some caves are heated by hot springs.
a cave that is underwater in freshwater
A cave that is underwater..? It's a cave that lies underneath a body of water.
underwater cave
The underwater cave is located in route 128.
underwater
Use Dive.
by precipitation
no
The sanctum!
In the underwater cave.
When an alligator hibernates, it will find a cool damp cave to stay in, not underwater.
Team Aquas underwater hideout is located in Mossdeep. You will need to dive down in the water and on the right hand side there will be a cave, which will be the hideout.