The month of May marks Visakha Bucha, or the Day of Vesak, one of the most important days for Buddhists, when they celebrate the birth, enlightenment, and death of Lord Buddha. Buddhists will go to temples to worship and perform merit-making, as well as performing a wien tien candlelit procession, circling around a temple, in the evening. Other local cultural celebrations, especially the Bun Bang Fai Rocket Festival in both Yasothon and Roi Et, also promise excitement and fun for everybody. There are more entertainment and sporting events that are taking place around the country in May. Sorted by dates, here are some highlights:

- Spotlight Koh Tao 2024, 3-5 May, Koh Tao, Surat Thani;
- Mango Art Festival 2024, 7-12 May, River City Bangkok;
- Yasothon Bun Bang Fai Rocket Festival, 10-12 May, Chaeng Sanit Road, Yasothon;
- Wai Kru Nora Wat Tha Khae, 15-18 May, Wat Tha Khae, Phatthalung;
- Visakha Bucha Day, 22 May, at temples nationwide;
- Samui Regatta 2024, 25 May – 1 June, Chaweng Beach, Koh Samui, Surat Thani;
- Roi Et Bun Bang Fai Festival, 29 May – 2 June, Suwannaphum District, Roi Et.