What does the word unseasonable mean?

Usage examples for unseasonable

  1. The air was raw and damp, doubly unpleasant after the recent unseasonable warmth. – Murder in the Gunroom by Henry Beam Piper
  2. Meanwhile, the real Zendelwald waked out of his unseasonable sleep, and found the sun so far on its course that the tournament must certainly be over. – Seven Legends by Gottfried Keller