November is often the sweetest spot in the Maldives calendar. The southwest monsoon has retreated, rainfall drops below 10 days, sunshine returns reliably, sea conditions calm, and visibility for snorkelling/diving recovers. Many travellers in the know book exactly this month.
Diwali sometimes falls early November. End-of-month rates climb sharply as the December peak approaches. Booking by mid-October gives the best balance of value and selection. Some resorts run 'Pre-Christmas Escape' packages with shoulder rates but holiday-season amenities.