Thailand weather in July

Wondering about the weather in Thailand in July? Read on to find out all you need to know about the weather in Thailand in July. Here, we'll cover everything from average air and sea temperatures to what to look forward to on your Thailand vacation and what to expect from the crowds. Plus, we'll share inspiring itinerary suggestions to help you make the most of your trip.  

Is July a good time to visit Thailand?

Visiting Thailand in July has its pros and cons. Although it is the rainy season, when the weather is hot and humid with frequent downpours, this time of year has its advantages. The lush green landscapes are stunning, and fewer tourists means better deals on accommodation and flights. 

However, rainfall can hamper outdoor activities, and some beaches and islands may be temporarily closed due to rough seas. To get the most out of your July trip, be prepared for unpredictable weather in Thailand in July, explore indoor attractions, immerse yourself in local festivals and enjoy the quieter and more authentic side of Thailand.

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Hua Hin vineyard, Thailand © Shutterstock

Hua Hin Vineyard, Thailand @ Shutterstock

Air & sea temperatures in Thailand in July

The weather in Thailand in July is set to be warm and humid, both on land and sea.

Temperatures in Northern Thailand

July in Northern Thailand is characterized by warm and comfortable weather. Daytime temperatures usually range between 28-33°C (82-91°F), creating favourable conditions for outdoor activities. Evenings are cooler, making them ideal for enjoying the local culture and cuisine.

Temperatures in Central Thailand

July brings warm and humid weather to central Thailand, including bustling Bangkok and historic Ayutthaya. Daytime temperatures typically range between 29-34°C (84-93°F). The heat is tempered by occasional showers, which help relieve the humidity. This is a great time to explore the cultural treasures of the region.

Temperatures in Southern Thailand

In scenic Southern Thailand, including popular destinations such as Phuket, Krabi and Samui, July is characterized by warm and humid weather. Daytime temperatures in this region typically range between 28-33°C (82-91°F).

Sea Temperatures in Thailand in July

Water temperatures in the Andaman Sea, which includes destinations such as Phuket and Krabi, range from 29 to 31°C (84 to 88°F) in July. On the east coast of the Gulf of Thailand, including Samui Island, the sea temperature is around 28-30°C (82-86°F).

Ready to embark on a Thailand adventure? Don't miss our Thailand itineraries and information on how to get there


Chaweng Beach, Koh Samui, Thailand @ Shutterstock

Can it rain in Thailand in July?

The weather in Thailand in July is characterized by varying levels of rain in different regions of the country. In northern Thailand, it is monsoon season with frequent, sometimes heavy, rains that nourish the lush landscapes of the region. 

Central Thailand is also at the mercy of the monsoon, with occasional showers that tend to be brief, and in between rainfall, there is time to explore the surrounding area. The west coast of southern Thailand receives significant rainfall, while the east coast has much better weather.

Make sure to read all about the best time to visit Thailand.

What about the crowd & cost?

July in Thailand is a mixed time in terms of the number of tourists and the cost of holiday packages. Northern and central regions are less crowded, making it a favourable time for a quieter holiday, expectedly accommodation and excursions can be cheaper given the off-peak season. 

However, prices can vary depending on where you go in Thailand. Southern tourist centres such as Phuket are still busy with tourists, so prices may not drop significantly there. If you don't mind the occasional rain and prefer a more budget-friendly and relaxing holiday, July may be the perfect time for your trip.


Sichang Island, Pattaya, Chonburi, Thailand @ Shutterstock

What to wear in Thailand in July?

When planning a visit to Thailand in July, it is important to choose the right wardrobe for the hot and humid climate. Choose loose-fitting clothes made of lightweight, breathable fabrics to avoid sweating. The weather in Thailand in July is suitable for beach holidays, so be sure to bring swimwear, and it is absolutely necessary to take care that you have with you means of protection from the hot July sun. 

Given the periodic rainfall this month, it is advisable to have a compact mackintosh or umbrella handy. Also, if you are going to visit religious places, don't forget to bring suitable modest clothing that covers your shoulders and knees. In addition to all of the above, insect repellent is also a good idea, especially in places where mosquitoes are active in the evening.

Unforgettable and fully customisable Thailand itineraries

Our tailor-made trip service allows you to fully enjoy the weather in Thailand in July without the planning or hassle. All of our planned itineraries are created by local Thailand travel experts and can be tailored to meet your specific needs.

  • Thailand Explorer (12 days): A great way to see Thailand, this multi-centre trip takes you from lively Bangkok to the beach resort of Pattaya before completing your circuit in the fresher climate of verdant Chiang Mai.
  • Bangkok-Pattaya Safari Adventure (12 days): Visit Thailand’s exciting capital Bangkok where you can explore the city by bike and see giant Buddhas and extravagant temples. Then head east to the coastal resort of Pattaya for some watersports and beach time.
  • Hua Hin Getaway (4 days): Thailand’s Northern Gulf Coast is home to attractive sandy beaches, good weather, interesting towns and two national parks. Come stay in chic Hua Hin, a popular getaway spot with Thai royalty.

Or discover more Thailand itineraries.

Still looking for options for your summer trip? Explore our list of the best holiday destinations in July.

Silver Lake Vineyard, Pattaya Thailand © SATHIANPONG PHOOKIT/Shutterstock

Silver Lake Vineyard, Pattaya Thailand © SATHIANPONG PHOOKIT/Shutterstock

What to do in Thailand in July

While going on a trip, one must consider the weather in Thailand in July and the nuances that this month brings. You may also be interested in our list of the best things to do in Thailand at any time of year.

Enjoy a beach holiday

Despite occasional rains, the southern islands of Phuket, Samui and Krabi beckon with their pristine beaches and inviting warm waters. July offers a tranquil atmosphere for seaside holidays, ideal for relaxing and enjoying the beauty of Thailand's coastal paradises.

Experience Local Events

Immerse yourself in the spiritual richness of Thailand by taking part in local festivals. In July, don't miss the Buddhist festival of Asalha Puja, an important religious event commemorating Buddha's first sermon. In honour of this festival, temples hold candlelight processions and merit ceremonies, providing a unique insight into Thailand's culture and traditions.

Aerial view Phra Nang Cave Beach with traditional long tail boat on Ao Phra Nang Beach, Krabi, Thailand © Avigator Fortuner/Shutterstock

Ao Phra Nang Beach, Krabi, Thailand © Avigator Fortuner/Shutterstock

Take a river cruise

July is the perfect time for leisurely river cruises on the Chao Phraya River in Bangkok, where you can enjoy the stunning cityscape, illuminated temples and lively street life. Alternatively, you can visit Thailand's charming floating markets, such as Damnoen Saduak, for a unique cultural experience amidst the bustling waterways.

Explore the rainforests

July offers fantastic opportunities to explore lush rainforests in places like Khao Sok National Park. Embark on a breathtaking trek through dense jungle, spot exotic wildlife and marvel at the serene beauty of cascading waterfalls. This is a chance to connect with nature and enjoy the vibrant greenery during the rainy season.

Damnoen Saduak floating market Kanchanaburi, Thailand © Shutterstock

Floating market, Thailand @ Shutterstock

Planning your July trip to Thailand

For more inspiration, discover some of the best things to do in Thailand.

Daunted by the prospect of planning? No problem! Browse our customisable Thailand itineraries, and talk to our local Thailand travel experts.

Visit Thailand in other months

Olga Sitnitsa

written by
Olga Sitnitsa

updated 05.06.2024

Online editor at Rough Guides, specialising in travel content. Passionate about creating compelling stories and inspiring others to explore the world.

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