Find a bunch of roughly synonymous things, and then sort them. I do this sometimes. It should be fairly obvious to you which word is more intense than the next-- if you can’t pick between two words, then choose one and move on to the next tier. I’ll start!
- Humid
- Damp
- Moist
- Wet
- Soaked
- Soggy
- Saturated
(Degrees of wetness.)