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Why are coastal parts of the Arabian Desert more humid than the interior?
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Arabian Desert
The Arabian Desert, the largest desert in Asia, covering an area of about 900,000 square miles (2,300,000 square km).
The coastal regions of the Arabian Desert experience higher humidity compared to the interior primarily due to their proximity to surrounding bodies of water, which influences local atmospheric conditions.12
While the interior of the desert is characterized by intense, dry heat, the coastal areas and certain highlands are subject to high summer humidity. This moisture often manifests as dew and fog, particularly during the night or early morning hours. In these humid coastal zones, dew can frequently serve as a vital substitute for rainfall, which is otherwise scarce across the region.12