1. Koh Samui
In March, Koh Samui transitions into its peak dry season, offering endless sunny days and calm seas. It is one of the best places to visit in Thailand in March, with coconut-fringed beaches like Chaweng and Lamai looking their absolute best. The island is perfect for travelers looking for a mix of relaxation and luxury. You can explore Ang Thong Marine Park, enjoy beach hopping, or unwind at seaside cafés. The weather remains ideal for outdoor exploration, making Koh Samui a perfect tropical escape before the intense summer heat arrives.
2. Koh Tao
Known as the "Diving Capital of Thailand", Koh Tao is a must-visit in March when underwater visibility is at its peak. It stands out among the top places to visit in Thailand in March for snorkelling and scuba diving experiences. Travelers will find Koh Tao’s laid-back vibe especially appealing. From Shark Bay to scenic viewpoints like John-Suwan, the island offers both adventure and tranquillity. The calm seas and clear skies create perfect conditions for marine exploration, making it an unforgettable destination for nature lovers and diving enthusiasts alike.
3. Phuket
Phuket is the perfect answer to your question of where to go in Thailand in March, with its consistently gorgeous weather. While the main beaches like Patong are lively, the northern beaches like Bang Tao or Nai Yang offer tranquillity. March is the perfect time for a luxury catamaran cruise to the Racha Islands or exploring the historic Phuket Old Town, where the Sino-Portuguese architecture looks stunning against a bright blue sky. The island's nightlife is also in full swing, with beach clubs hosting major events.
4. Krabi
Krabi’s dramatic limestone cliffs and turquoise waters make it one of the most scenic places to visit in Thailand. The calm sea conditions allow for activities like kayaking, island tours, and rock climbing. For those deciding where to go in Thailand in March, Krabi offers a more relaxed alternative to Phuket. Railay Beach is a highlight, accessible only by boat and known for its breathtaking views. The Four Islands tour and Emerald Pool are must-visits during this time. With pleasant weather and fewer crowds, Krabi is perfect for both adventure seekers and leisure travelers.
5. Bangkok
Bangkok is one of the best places to visit in Thailand in March and a sensory explosion. While the heat is rising, the city’s energy is infectious. The lack of rain makes it the best time for rooftop bar hopping, places like Tichuca or Lebua offer spectacular views under clear, starlit skies. Early mornings should be reserved for the Grand Palace, while evenings are best spent exploring the flower markets or taking a dinner cruise along the Chao Phraya River. The dry weather also means the legendary weekend markets like Chatuchak are fully operational.
6. Phetchaburi

For those looking for where to go in Thailand in March to escape the typical tourist trail, Phetchaburi offers a blend of history and nature just two hours from Bangkok. March is great for visiting Phra Nakhon Khiri (Khao Wang), a hilltop palace complex where you can ride a cable car to see stunning vistas. The province is also famous for its traditional Thai desserts and the massive Khao Luang Cave, where sunlight beams through the roof to illuminate ancient Buddha statues, a phenomenon best seen in the clear March sun.
7. Khao Yai National Park
As a UNESCO World Heritage site, Khao Yai is a breath of fresh air. In March, the jungle is still lush, and the temperatures are slightly cooler than the plains. It is the best time for wildlife spotting; wild elephants, gibbons, and hornbills are frequently seen. The park’s waterfalls, like Haew Narok, are still flowing beautifully. March also marks the tail end of the harvest at nearby vineyards, making it a great time for a wine-tasting tour in the "Tuscany of Thailand".
8. Pattaya
Located just a short drive from Bangkok, Pattaya offers a mix of urban excitement and island escapes. Thailand in March has the perfect weather for visiting Koh Larn (Coral Island) via a quick speedboat ride for clear-water snorkelling. Back on the mainland, the Sanctuary of Truth, an all-wood architectural marvel, is a must-see. The city’s family-friendly attractions, like the Nong Nooch Tropical Garden, are in full bloom this month, and the evening shows remain a major draw for international visitors.
9. Chiang Mai

March in Chiang Mai is a time of cultural depth. While the "smoky season" can be a factor, the city compensates with vibrant festivals and mountain retreats. A trip to Doi Inthanon, Thailand’s highest peak, offers a chilly escape from the heat, with temperatures often 10 degrees lower than the city. March is also excellent for visiting ethical elephant sanctuaries and participating in the nightly food markets at the North Gate, where the famous "Cowboy Hat Lady" serves her legendary braised pork leg.
10. Erawan National Park
Located in Kanchanaburi, this park is home to the seven-tiered Erawan Falls. March is arguably the best time to visit because the water is a brilliant, clear emerald green and the flow is steady but not dangerously fast, as it can be in the rainy season. Hiking to the seventh tier is a rewarding challenge in the dry heat, and the natural "fish spas" in the pools provide a quirky, ticklish way to cool down.