Your guide to what’s on in Thailand in December 2026, with key events and festivals to look out for, plus Thai-themed events in the UK and Ireland.
3-7 December
Wonderfruit Festival, Pattaya
Hosted at Siam Country Club near Pattaya, Wonderfruit features music, a farm, art installations, workshops and wellness activities.
More details
5 December
King Bhumibol Adulyadej Birthday Commemoration Day (public holiday)
King Rama IX (King Bhumibol Adulyadej) was born on December 5, and his birthday is a public holiday in Thailand. The date is also celebrated as Father’s Day and National Day.
10 December
Constitution Day (public holiday)
31 December
New Year’s Eve (public holiday)
Firework displays are held in several Thai cities to welcome in the New Year. The biggest event takes place in Bangkok over the Chao Phraya River (details for this year’s event are not yet confirmed).
Dates to be confirmed
River Kwai Bridge Festival and Red Cross Fair, Kanchanaburi
The annual River Kwai Bridge Festival and Red Cross Fair is held in Kanchanaburi in late November and runs into early December, with a light and sound show illuminating the famous bridge.
Mid-December to February
Concert in the Park, Bangkok
Free entertainment courtesy of the Royal Bangkok Symphony Orchestra (RBSO) with a series of outdoor concerts on most Sundays from mid-December to the end of February. Concerts are usually held at Lumpini Park in Bangkok. For more details on concert dates and venues, check the RBSO Facebook page.
Sometimes held in December, but scheduled for 17-24 January 2027
Chiang Mai Street Jazz Festival
Chiang Mai’s popular Street Jazz Festival features events around the city, with jazz on the street in locations around the Old Town, plus bands playing at venues including the Old Chiang Mai Cultural Centre, Moment’s Notice Jazz Club, Mahoree City of Music, and North Gate Jazz Co-op.
More details
Events in Thailand aren’t always confirmed until much closer to the date. We will add details of more events when the dates are known.
