1. Enjoy Watersports In Koh Samui
Even though Koh Samui will experience some rain, if you plan ahead, you can still enjoy plenty of sun and the opportunity to partake in water sports like sea kayaking, scuba diving, and snorkeling. You can just spend your days in Koh Samui basking in the warm Thai sun in the morning and afternoon, when there is less possibility of rain, if none of these appeal to you in the weather of Thailand in May.
Location: Koh Samui, Gulf of Thailand
Timings: Watersports operators usually run from 8:00 AM to 5:00 PM, but exact times may vary by provider.
Price: Snorkeling and kayaking tours typically start from 1,000 THB per person, while scuba diving experiences range from 2,500–4,000 THB per dive, depending on the package and equipment
2. Take A Cruise Through The Mu Koh Angthong National Park
As previously said, the Gulf of Thailand is ideal for exploration because it receives significantly less rainfall than the rest of the nation. Because it provides breathtaking vistas of tiny islands spread across blue waters, a boat through Angthong National Park is a favorite pastime. The experience can be genuinely enjoyable when there are fewer people there, making it the best place in Thailand in May.
Location: Mu Koh Angthong National Park, accessible by boat from Koh Samui
Timings: Day cruises usually depart around 8:00–9:00 AM and return by 4:00–5:00 PM.
Price: Group cruises start from 1,500–2,500 THB per person, including lunch and equipment.
3. Learn About Thai History In One Of Its Museums
Thailand is home to numerous museums that celebrate its rich cultural legacy and can be found around various locations. The Museum of Contemporary Art in Bangkok, the Bangkok National Museum, and the Chiang Rai and Hill Tribe Museum in Chiang Mai are well-liked choices. Exploring the indoor activities like these museums is one of the most popular things to do in Thailand in May, as it saves you from rain sprinkles and showcases you a creative world to admire.
Location: Bangkok National Museum, Na Phra That Road, Phra Nakhon, Bangkok
Timings: It depends on the Museum you select.
Price: Entry is typically 200 THB for foreigners; it can vary depending on the museum you choose.
4. Visit The Wat Pho Temple

Another excellent approach to learn about Thailand's past and the culture of the Thai people is to visit temples. Your visit to well-known temples like the Grand Palace and Wat Pho will undoubtedly be enjoyable, offering the iconic Reclining Buddha, one of Bangkok’s most revered temples. Its serene atmosphere, intricate murals, and traditional massage school make it a must-visit, especially when the city is less crowded in May. You won't have to battle the weather to make the most of your time in Thailand, thanks to the indoor activities.
Location: 2 Sanam Chai Road, Phra Nakhon, Bangkok
Timings: Open daily, 8:00 AM – 6:30 PM
Price: The Entry fee is 200 THB for adults
5. Enjoy The Nightlife In Bangkok
Bangkok is known for its vibrant nightlife, which is unaffected by light rain. Neighborhoods like Sathorn and Thonglor, which are lined with bars, nightclubs, and street food sellers, are excellent places to experience Thai nightlife.
Location: Various districts in Bangkok (Khao San Road, Sukhumvit, Silom)
Timings: Most nightlife spots open from 6:00 PM until late (2:00–3:00 AM).
Price: Entry to clubs ranges from free to 500 THB; drinks typically start at 100–200 THB.