Quick Facts
🇹🇭Thailand
May 15, 2026 – October 31, 2026
SW monsoon brings daily afternoon showers. Bangkok floods possible Sep-Oct. Southern islands (Koh Samui, Koh Phangan)…

Monsoon Season Thailand 2026
May 15, 2026 – October 31, 2026🇹🇭 Thailand
About Monsoon Season Thailand
SW monsoon brings daily afternoon showers. Bangkok floods possible Sep-Oct. Southern islands (Koh Samui, Koh Phangan) affected later. Budget travel season.
Key Details
Related Events in Thailand
Plan Your Time Off
Long weekends near this holiday — maximize your days off.
วันเฉลิมพระชนมพรรษาสมเด็จพระราชินี
3–7 June 2026
Queen Suthida's Birthday
3–7 June 2026
วันเฉลิมพระชนมพรรษาพระบาทสมเด็จพระเจ้าอยู่หัว
25–28 July 2026
King's Birthday
25–28 July 2026
Asalha Puja
July 29, 2026 – August 2, 2026
The Queen Mother's Birthday
12–16 August 2026
วันแม่แห่งชาติ
12–16 August 2026
King Bhumibol Adulyadej Memorial Day
10–13 October 2026
วันปิยมหาราช
23–25 October 2026
King Chulalongkorn Day
23–25 October 2026
Frequently Asked Questions
- When is Monsoon Season Thailand 2026?
- Monsoon Season Thailand 2026 is May 15, 2026 to October 31, 2026 in Thailand.
- Is Monsoon Season Thailand a public holiday in Thailand?
- Monsoon Season Thailand is not an official public holiday in Thailand. Most businesses remain open, though tourism areas may be affected.
- How many days is Monsoon Season Thailand 2026?
- Monsoon Season Thailand 2026 lasts 170 day(s), from May 15, 2026 to October 31, 2026.