Thailand Weather in August: Temperature and Best Places to Go

There’s no denying that August brings peak rainfall and high humidity levels to Thailand. Despite the wet weather, this off-peak travel season offers a chance to explore the lush landscapes and cultural richness with fewer tourists.

From the bustling streets of Bangkok to the tranquil temples of Chiang Mai, there are still enticing destinations to visit. Dive into the historical ruins of Ayutthaya or relax on the pristine beaches of Koh Samui. Discover the best places to go and make the most of your trip to Thailand in August.

Key Takeaways:

  • Weather in August: Thailand experiences peak rainfall with slightly lower temperatures (26-32°C) and high humidity levels. It is considered the off-peak season with fewer tourists.
  • Regional Weather Variation: Bangkok and Central Thailand have hot days with increased rainfall, while Northern Thailand, especially Chiang Mai, receives heavy downpours. Southern islands face monsoonal weather, except for Koh Samui, Koh Pha-ngan, and Koh Tao.
  • Best Places to Visit: Despite the rain, Bangkok, Chiang Mai, Ayutthaya, Koh Samui, Phuket, and Khao Sok National Park are top destinations in August. Each offers unique cultural experiences, natural beauty, and attractions to explore.

Thailand Weather in August: Overview

Temperature and Humidity Levels


Average temperature range 26–32°C (79–89°F)
Average humidity levels High

Rainfall and Sunshine Hours

Rainfall in Thailand during August averages around 219mm (9 inches) with about 18-23 rainy days and only around 5 sunny days. Despite the rain, travellers can still enjoy the lush landscapes and cultural richness of the country.

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Regional Variations in Weather

For instance, Bangkok and Northern Thailand experience hot days with an average temperature of around 30°C (86°F) in August, whereas the northern city of Chiang Mai sees heavy rainfall that helps cool down temperatures. Southern Thailand, especially the west coast islands, faces monsoonal weather with high rainfall, while the east coast islands like Koh Samui experience moderate/low rainfall.

Thailand’s Regional Weather

Southern Thailand: Islands and Beaches

Thailand’s southern islands like Koh Samui and Koh Pha-ngan are great choices in August due to moderate/low rainfall. However, islands on the west coast like Phuket and Krabi experience heavy rainfall, while those on the east coast remain relatively dry.

Northern Thailand: Chiang Mai and Beyond

To the north, Chiang Mai and Chiang Rai see heavy rainfall in August, cooling down temperatures. Despite the rain, the lush landscapes add to the cities’ charm, making them great destinations to explore during the wet season.

Northeastern Thailand: Isaan Region

The isaan region in northeastern Thailand experiences similar conditions to Northern Thailand. While rainfall can be heavy, the unique charm of the region’s cultural heritage and landscapes remains a draw for travellers seeking an authentic experience.

Central Thailand: Bangkok and Ayutthaya

Beaches like those in Pattaya and Hua Hin may experience increased rainfall in August, while historical sites like Ayutthaya provide a unique atmosphere during the rainy season. Despite the rain, cultural attractions in Bangkok remain vibrant and ready for exploration.

The Best Places to Visit in Thailand in August

Top 5 Beach Destinations

Many visitors to Thailand in August opt for beach destinations like Koh Samui and Phuket, where the rainfall is relatively low, providing a perfect getaway amidst stunning landscapes and crystal-clear waters. To make the most of your beach vacation, consider exploring the vibrant nightlife in Phuket and indulging in the romantic vibe of Koh Samui.

Cultural and Historical Sites

Historical and cultural enthusiasts can explore the ancient ruins of Ayutthaya and immerse themselves in the rich heritage of Chiang Mai. Historical monuments can take on a unique charm during the rainy season, providing a tranquil and authentic experience for visitors.

National Parks and Wildlife Reserves

Little adventurers can probe into the lush rainforests of Khao Sok National Park in August, offering a unique opportunity to witness vibrant greenery and potential wildlife sightings. Engage in jungle walks and explore the diverse ecosystem amidst the serene backdrop of the rainforest.

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Crowding and Costs in August

Peak Tourist Season: What to Expect

Your visit to Thailand in August falls during the low travel season, meaning you can expect fewer crowds at popular tourist spots and accommodation options. While rainfall may be higher during this time, it opens up opportunities to explore the lush landscapes and cultural gems without the usual hustle and bustle.

Factors Affecting Prices and Availability

On a budget-friendly note, the low tourist numbers in August can lead to lower accommodation prices and potentially more availability at attractions. Keep in mind that some activities may be affected by the rainy season, so it’s wise to plan accordingly. Though, overall, this can be a great time to enjoy a more relaxed and authentic Thai experience.

Tips for Avoiding Crowds and Saving Money

  • Plan activities indoors during rainy spells.
  • Look out for discounted rates on accommodation and tours.
  • Consider booking in advance for popular attractions.

While August does bring some rainfall, it can also bring cost-saving opportunities and unique experiences. Take advantage of lower prices, fewer crowds, and the chance to immerse yourself more deeply in Thai culture without breaking the bank.

Clothes to Wear in August

Essential Items for Hot and Humid Weather

The hot and humid weather in Thailand in August calls for light and breathable clothing. Essential items to pack include moisture-wicking fabrics, comfortable footwear, a wide-brimmed hat, and sunscreen to protect your skin from the strong sun.

Dressing for Rain and Sun Protection

An umbrella or rain jacket is necessary for protection against the frequent rainfall in Thailand in August. Additionally, make sure to pack sunglasses and sunscreen to shield yourself from the sun when it does make an appearance.

Another important item to consider is waterproof footwear to keep your feet dry during the rainy spells. This will ensure your comfort while exploring various destinations in Thailand.

Packing Tips for Efficient Travel

When packing for your trip to Thailand in August, opt for lightweight and quick-drying clothes to stay comfortable in the humid weather. Remember to pack a foldable backpack for day trips and reusable water bottles to stay hydrated on the go.

  • Roll your clothes to save space in your suitcase.
  • Carry a travel-sized umbrella for unexpected showers.
  • You can also pack a reusable shopping bag for souvenirs or shopping trips.
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You can also wear a lightweight and quick-drying swimsuit under your clothes for easy access to beach or pool areas. With these necessary packing tips, you’ll be well-prepared for your August trip to Thailand.

Safety Precautions and Health Tips

Not to worry, with some simple precautions and health tips, you can enjoy your trip to Thailand in August without any worries. Here are some important points to keep in mind:

Heat Stroke and Dehydration Prevention

While the temperatures may be slightly lower in August, the persistently high humidity levels can still increase the risk of heat stroke and dehydration. Be sure to stay hydrated, wear light and breathable clothing, and take breaks in shaded areas to prevent any heat-related illnesses.

Mosquito-Borne Diseases and Prevention

Heat and rain in August create ideal breeding conditions for mosquitoes, increasing the risk of mosquito-borne diseases such as dengue fever and malaria. Protect yourself by using insect repellent, wearing long sleeves and pants, and staying in accommodations with screens on windows and doors.

Dehydration can be a common issue in the hot and humid weather of Thailand in August. To prevent dehydration, make sure to drink plenty of water throughout the day, especially if you are engaging in outdoor activities or spending time in the sun.

Staying Safe in Crowded Areas and Tourist Spots

While exploring popular tourist spots in Thailand, be aware of your surroundings and belongings to prevent theft or scams. Keep your valuables secure, avoid displaying large sums of money, and be cautious of strangers offering unsolicited assistance. By staying vigilant, you can enjoy your trip without any safety concerns.

To wrap up

Presently, Thailand’s weather in August brings peak rainfall and high humidity levels, with temperatures ranging from 26-32 °C. Despite the rain, travellers can explore the lush landscapes and cultural richness while enjoying fewer crowds.

Some recommended destinations include Bangkok, Chiang Mai, Ayutthaya, Koh Samui, Phuket, and Khao Sok National Park. Each location offers unique experiences, from urban exploration to nature immersion, making Thailand a diverse and intriguing destination even during the rainy season.

Frequently Asked Questions

Q: What is the average temperature in Thailand in August?

A: The average temperature in Thailand in August ranges from 26 to 32°C (79 to 89°F), accompanied by high humidity levels.

Q: How is the weather in different regions of Thailand in August?

A: In August, Bangkok and Central Thailand experience hot days with increased rainfall, while Northern Thailand, especially Chiang Mai, receives heavy downpours that help cool down temperatures. Southern Thailand, including islands like Koh Chang and Phuket, experiences monsoonal weather with high rainfall. However, the east coast islands of Koh Samui, Koh Pha-ngan, and Koh Tao have relatively lower rainfall and make for ideal destinations.

Q: What are the best places to visit in Thailand in August?

A: Despite the rainy season, there are still enticing destinations to explore in Thailand in August. Some top places to visit include Bangkok for indoor attractions, Chiang Mai for its cultural charm, Ayutthaya for historical ruins with a unique charm in the rain, Koh Samui for its romantic vibe and crystal waters, Phuket for lower accommodation prices and vibrant nightlife, and Khao Sok National Park for a unique and captivating rainforest experience. Choose destinations based on your preferences and tolerance for rainy weather.

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