Songkran (Thai New Year, April 13–15): Three-day water festival with water splashing celebrations, temple visits, and parades. Joyous atmosphere but heavy traffic and closed attractions. Expect water-throwing on streets; wear appropriate clothing.
Loy Krathong (November, lunar calendar): Festival of lights featuring floating decorated baskets on water. Magical atmosphere with candles and flowers. Thousands participate; book accommodations early. Evening events at beaches.
Chinese New Year (January/February): Celebrated extensively in Phuket due to historical Chinese population. Dragon parades, temple celebrations, and special foods. Old Phuket Town particularly vibrant during festivities.
Vegetarian Festival (October, lunar calendar): Nine-day religious festival with vegetarian food stalls, temple processions, and cultural performances. Vegetarian dishes available everywhere. Street parades with elaborate decorations.
King's Birthday (December 5): National holiday celebrating Thai monarchy. Temples decorated, light displays throughout island. Public holiday; many shops closed.
Buddhist Holidays: Visakha Bucha (May), Asahna Bucha (July), and Buddhist Lent marked by temple visits. Merit-making activities common; respectful behavior required at temples.