inclementness

NOUN /ɪn'klɛməntnɛs/
13 LETTERS · 4 SYLLABLES · STARTS WITH I

inclementness is a valid 13-letter word worth 17 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1C3L1E1M3E1N1T1N1E1S1S1
1 + 1 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does inclementness mean?