hot
Another word for not old is young.
Caucasians
Broke out, maybe.
Muggy
OCD
Abnormal
Steamy climate
how about: moist, dank or humid. Another word for 'less damp' is 'drier'.
Another way to say "back and forth" is "to and fro."
Mallet is another word fro hammer. Often mallets are made of wood or plastic.
Warm mother nature heat what
The suffix for the word "humid" is "-ity," which changes the word to "humidity."