Summer in Thailand: Sunny Weather & Adventure Awaits

Summer in Thailand sees warm to extremely hot temperatures, which runs from March to June. Countrywide, the daytime temperatures range between 30°C (86°F)  and 35°C (95°F) and cool down to balmy 25°C (77°F) at night. Central Thailand, which includes Bangkok, is the warmest, where the mercury occasionally hits the 40°C mark. Northern Thailand is much cooler, with temperatures hovering between 25°C (77°F) and 33°C (91°F). The region, however, experiences occasional thunderstorms and rain showers.

Southern Thailand, meanwhile, stays hot and humid throughout summer. Temperatures here can range anywhere between 28°C (82°F) and 34°C (93°F), while rainfall is also fairly common. It is also important to note that Thailand has an increased risk of tropical storms and typhoons throughout summer, particularly in southern provinces. These weather phenomena can bring heavy rainfall, strong gusts, and flash floods. So, check weather forecasts before planning your trip to Thailand in the summer.

	March	April	May	June
Avg high	34°C (93°F)	35°C (95°F)	34°C (93°F)	33°C (91°F)
Avg low	25°C (77°F)	26°C (79°F)	26°C (79°F)	26°C (79°F)
Rainfall (mm)	30	60	140	150

For a more seasonal overview, check out our guide on the best time to visit Thailand.

Other related articles:
Thailand in March
Thailand in April
Thailand in May
Thailand in June

Thailand is a popular tourist destination all year round, but there are many compelling reasons to visit the country during summer. Here are some of them:

• Fewer crowds: Thailand sees fewer visitors during the summer season. This means you will be able to see and experience the attractions of the popular site in a less crowded atmosphere.
• Reasonable rates: Thailand during summer is also considered the shoulder season between off-peak and peak tourism periods. As such, you can find better deals on accommodations, flights, and other tourist activities.
• Outdoor activities: Thailand's warm and sunny weather in the summer season is perfect for outdoor activities such as swimming, snorkeling, and exploring beautiful beaches and islands. Additionally, the lush greenery of forests and national parks make for a stunning backdrop for hiking and wildlife spotting.
• Festivals: Summer in Thailand is a season of vibrant festivals and celebrations. The most popular among them is Songkran (Thai New Year), which is celebrated in April with water fights and other fun activities. Another important festival worth checking out is Phi Ta Khon held in the northeastern province of Loei in June. The festival features cultural dance and parades with participants donning colorful costumes and masks.
• Wildlife watching: Thailand's national parks are home to a vast diversity of species, and the summer months are ideal for viewing many of these creatures in their native habitat. There are several options for wildlife viewing and photography, ranging from elephants and tigers to monkeys and rare birds.

Thailand is a unique and attractive country with several summer vacation spots. Here are some of the best places to visit in Thailand during summer:

1. Khao Yai National Park

Located in central Thailand, Khao Yai National Park is an ideal destination to escape the scorching summer heat. The park is home to lush green forests, magnificent waterfalls, and abundant wildlife. The average summer temperature here ranges from 26°C to 31°C, making it a perfect spot for outdoor activities such as hiking, nature walks, and wildlife spotting.

Major attractions: Haew Suwat Waterfall, Namtok Sarika Waterfall, Khao Yai Panorama viewpoint, bat cave, and Nong Pak Chi Wildlife Observation Tower.

Pros:

• The park is lush and green during the summer months, and the waterfalls are at their most impressive.
• Summer is one of the best times to spot the park’s wildlife, including elephants and tigers.

Cons:

• Some visitors may find heat and humidity levels uncomfortable.

2. Koh Samui

Koh Samui, a popular summer vacation spot in Thailand, is a small island in the Gulf of Thailand. It is home to opulent resorts, immaculate beaches, and sparkling waterways. It is home to opulent resorts, immaculate beaches, and sparkling waterways, making it an ideal destination for a summer getaway in Thailand. The average temperature in Koh Samui ranges from 28°C to 32°C in the summer months. A trip to Koh Samui offers the perfect climate for sunbathing, swimming, and water sports. The island is also home to vibrant nightlife, excellent shopping areas, and delicious local cuisine.

Major attractions: The Big Buddha Temple, the Secret Buddha Garden, Fisherman's Village, Chaweng Beach, and Ang Thong National Marine.

Pros:

• The island has many luxury resorts, spas, and wellness retreats, making it a perfect summer destination.
• Summer on Koh Samui is noted for its bright blue sky, providing excellent outdoor activities and sightseeing.

Cons:

• Koh Samui can be quite expensive during the summer, especially in the more popular areas.

3. Pattaya

Located on the eastern shore of the Gulf of Thailand, Pattaya is a popular vacation spot renowned for its stunning beaches, exciting water activities, and lively nightlife. The coastal city also offers a range of family-friendly attractions, including zoos, museums, and water parks. In the summer months, Pattaya's average temperature hovers between 28°C and 33°C, making it an ideal spot for beach activities like swimming, snorkeling, and sunbathing.

Major attractions: The Sanctuary of Truth, the Ramayana Water Park, Cartoon Network Amazone, the Pattaya Floating Market, Pattaya Beach, and Nong Nooch Tropical Garden.

Pros:

• Pattaya has a thriving nightlife scene, with numerous bars, clubs, and entertainment venues.
• The city offers plenty of water sports and activities like parasailing and jet skiing.
• During the summer season, Pattaya hosts a number of festivals and events, including the Pattaya Music Festival and the Pattaya International Fireworks Festival.

Cons:

• Pattaya experiences heavy rainfall during summer, which can cause flooding and transportation disruptions.
• The heat and humidity levels can be intense, making outdoor activities challenging during the day.

• Go island hopping: Thailand has hundreds of islands, and summer is an excellent season to visit them. You can either join a single-day boat excursion to numerous islands or spend a few days relaxing on a remote island.
• Enjoy water sports: Thailand has some of the most beautiful beaches in the world, and summer is the ideal season to try water sports like snorkeling, scuba diving, jet skiing, parasailing, and more.
• Trek the mountains: Chiang Mai and Pai are popular destinations for trekking, especially in the summer months when the weather is cooler. You can explore the lush forests, visit hill tribes, and take in the stunning mountain scenery. Some of the popular trekking routes include Doi Inthanon, Thailand's highest mountain, and Doi Suthep, which offers panoramic views of Chiang Mai.
• Explore national parks: Thailand's national parks are home to some of the country's most spectacular natural scenery, and summer is a great time to explore them. You can go hiking, camping, wildlife spotting, and more.

• Bring lightweight, breathable clothing items for hot and humid conditions. It is also advisable to drink plenty of water to keep yourself hydrated.
• Thailand is more prone to tropical storms and typhoons during summer. Regularly check the weather forecast and plan your trip accordingly, especially if you are visiting the southern parts of the country.
• Pack a bug repellent cream or spray, as mosquito and insect populations increase during summer.
• You might be able to bargain for off-season rates at hotels and guest houses, especially later in the summer when visitor numbers start to dwindle.

Experience the magic of summer in Thailand with an unforgettable adventure. From stunning beaches to lush green forests to rich cultural heritage, Thailand offers a range of destinations and activities for travelers to enjoy under the warm summer sun. While traveling during this time has some risks, proper preparation and planning can ensure a safe and memorable trip.