Thai Festival Calendar 2026: Every Major Festival and When to Go

Thailand's Buddhist and animist traditions combine with Chinese cultural influence to produce a festival calendar that is genuinely extraordinary throughout the year. The biggest events — Songkran in April, Loy Krathong in November, and Yi Peng in Chiang Mai — are internationally famous and attract visitors from around the world. But the calendar is rich throughout, and understanding the full picture allows you to time your visit for specific experiences or, alternatively, to avoid the most crowded and expensive periods.

January begins with Bo Sang Umbrella Festival in Chiang Mai (mid-January) — artisans from the village of Bo Sang display hand-painted umbrellas and parasols in a parade through town; a beautiful, genuinely local event with minimal tourist infrastructure. February brings Chinese New Year celebrations, most spectacularly in Bangkok's Yaowarat (Chinatown) neighbourhood and in Phuket Town, where the festival is significant given the large Sino-Thai population. March marks the beginning of Kite Season in Bangkok — elaborate kite battles are held at Sanam Luang near the Grand Palace on weekends. April's Songkran (13–15 April) needs no introduction — the world's largest water fight, also a deeply meaningful New Year ceremony. May's Visakha Bucha (Buddha's birthday, based on lunar calendar) sees temples packed nationwide. July brings Asanha Bucha and the start of Buddhist Lent (Khao Phansa) — a period when monks retreat to their temples and many Thai people refrain from alcohol. October's Ok Phansa marks the end of Buddhist Lent with boat races across the country, most spectacularly in Nakhon Phanom on the Mekong. November's Loy Krathong (full moon) is perhaps Thailand's most beautiful festival — millions of small lotus-shaped floats bearing candles are released on waterways nationwide. In Chiang Mai, the simultaneously held Yi Peng fills the sky with thousands of paper lanterns.

The reason so many of these dates move from year to year comes down to the calendar Thailand's Buddhist festivals actually follow. Rather than the fixed Gregorian calendar used for civil dates, the major religious festivals are set by a lunar calendar tied to the phases of the moon, which is why Visakha Bucha, Asanha Bucha, Khao Phansa, and Loy Krathong all shift by weeks from one year to the next rather than falling on the same date annually the way Songkran's fixed civil dates do. Planning a trip around one of these lunar festivals means checking the specific year's date closer to travel rather than assuming last year's calendar still applies — a genuinely common mistake among first-time visitors who book flights based on a date remembered from a previous trip.

Khao Phansa, the start of Buddhist Lent, is worth understanding beyond its date for anyone travelling through the following three months. It marks the beginning of the traditional rains retreat, when monks commit to remaining within their temple grounds rather than travelling, and it is also the period many Thai people historically choose to be ordained as monks for a short time, temples noticeably busier with ordination ceremonies through this stretch. Alcohol sales are restricted on certain Buddhist holy days throughout the year, Khao Phansa and Visakha Bucha among them, with off-licences and some restaurants unable to sell alcohol for the day — a detail worth knowing in advance rather than discovering at the till.

Beyond the festivals major enough to make a national calendar, Thailand's regions run their own distinct celebrations that rarely reach international attention despite being genuinely spectacular in person. Isaan's rocket festivals, where villages launch home-made bamboo rockets skyward as a rain-invoking ritual ahead of the planting season, are among the most dramatic and least visited by foreign tourists of any Thai festival tradition. Seeking these regional events out takes more effort than the headline calendar above, but they offer a version of Thai festival culture built for the local community rather than staged for visitors, which is precisely what makes them worth the extra planning.