A drought (가뭄, gamum) sits at the exact opposite end of this category from rain or flood — where those dreams are about too much water arriving, a drought dream is about none arriving at all, and the reading follows that absence directly.
Cracked, dry earth and withering crops in the dream are read as scarcity or depletion — resources, energy, or opportunity that have dried up, whether financial, emotional, or relational. Unlike a sudden crisis dream like an earthquake or hail, a drought reading emphasizes a gradual depletion rather than a single dramatic event.
Waiting for rain that doesn't come during the dream is read as a period requiring real patience — the situation isn't necessarily worsening further, but relief isn't arriving on your timeline either. This is one of the more emotionally taxing dreams in the category precisely because there's no dramatic action to take within it, only waiting.
Rain finally beginning at the end of a drought dream is read especially favorably, more so than an ordinary rain dream on its own, since the contrast with the preceding scarcity makes the relief feel larger — a difficult, depleted stretch finally being replenished.