Asia
Hoi An is tropical — warm to hot year-round, with a wet season that genuinely delivers on the rain. Light, breathable fabrics are your baseline.
nn
Dry season (February to May) is the most comfortable — 25 to 35 degrees, low humidity. Cotton or linen clothing, sandals, sunglasses and sunscreen. A sun hat is worth its weight for midday walks.
nn
Wet season (September to December) brings serious rain — Hoi An floods regularly in October and November, sometimes knee-height in the Old Town. Pack a proper rain jacket, quick-dry clothing, and waterproof shoes.
nn
If you are planning to visit a tailor — bring reference photos and wear something well-fitted so they can measure against it. Leave room in your luggage for what you bring home.