The short version: Plan around organizer-confirmed dates, not lunar-calendar guesses: several 2026 events are documented, but Chiang Mai's November Yi Peng program was not yet officially published at this review.

Chiang Mai can turn a normal visit into a citywide celebration—but festival planning has one trap: a traditional date is not the same thing as a confirmed local program.

This calendar separates what official sources had actually announced by 27 July 2026 from events that recur annually but still needed a Chiang Mai organizer notice. That distinction can save a non-refundable hotel booking.

Confirmed or completed in 2026

Event2026 statusWhat the official source confirms
Chiang Mai Flower FestivalCompletedChiang Mai Province announced the 49th festival for 13–15 February
International Music, Art and Culture FestivalCompletedThe province recorded the opening at Tha Phae Gate on 28 March
Chiang Mai Pride ParadeCompletedThe province announced the parade for 24 May
Happy Chiang Mai green-season campaignActive period announcedProvince-backed promotions run June through October; participating offers vary
ICOMOS technical evaluation visitScheduledThe province announced preparation for an evaluation visit from 3–8 August

The table is deliberately narrow. It includes events or periods supported by Chiang Mai provincial notices, not every commercial listing copied across travel sites.

Songkran: the annual anchor

Songkran is Thailand’s New Year festival and is observed nationally in April. Chiang Mai commonly builds a larger local program around it, especially near the Old City moat.

For a future trip, verify the municipal program, road closures, transport changes, and any restrictions once the city publishes them. Waterproofing a phone is sensible; assuming every street is a sanctioned water-play zone is not. April can also bring heat and poor air quality, so check conditions as well as the entertainment schedule.

Yi Peng and Loy Krathong: important, but do not invent the schedule

Chiang Mai’s Yi Peng celebrations overlap with the wider Loy Krathong period, but local parades, ceremonies, road closures, and permitted lantern activity require organizer and government confirmation.

As of this source check, we did not find a complete official Chiang Mai 2026 Yi Peng program. We therefore removed the earlier claim that the festival would run around 23 November. A lunar-calendar calculation may suggest a date; it does not establish the city’s event timetable.

Sky lanterns are also regulated. Civil Aviation Authority of Thailand guidance says releases require permission, and aviation notices can specify approved areas and windows. Do not release a lantern simply because other people are doing it or because a ticket seller says it is allowed.

How to book without getting burned

  1. Find the organizer. Prefer Chiang Mai Province, the municipality, the Tourism Authority of Thailand, the venue, or the named event organizer.
  2. Match three facts. Confirm date, venue, and ticket seller on the same official page.
  3. Check the update date. Last year’s page can outrank this year’s announcement in search.
  4. Treat aggregators as discovery tools. Use them to find an event, then verify it at the source.
  5. Recheck the week before travel. Weather, public observances, security, and road closures can change a program.

Our editorial picks

For visual spectacle, Yi Peng remains the event to watch—but only after the 2026 local program is published. For a calmer trip, the cool-season Flower Festival is an excellent target. For maximum energy, Songkran is the obvious choice if heat, water, and crowds sound like a feature rather than a warning.

Those are editorial recommendations, not guarantees about crowd size, weather, or personal experience.

Sources and live checks

Source check: 27 July 2026.

chiang mai eventsfestivalsyi pengloy krathongsongkran