Thailand experiences its rainy season in July. Are you wondering if the rainy season will disrupt your plans?

The good news: July is still a great time to travel – provided you know where to go and what to expect.

I have been traveling through Thailand during the rainy season for years, and this guidebook offers you the most practical, first-hand tips that you won't find on general travel websites.

  • Is July a good time to travel to Thailand?
  • The best travel destinations in July
  • The best islands to visit in July

    • Thailand's weather and climate in July

    July is the middle of the rainy season in Thailand. It rains frequently, but rarely all day long. Most often, it comes in the form of short showers lasting 30 to 60 minutes, followed by clear skies. Humidity is high, and temperatures remain warm year-round.

    Thailand's weather by region in July

    Data source: Based on 10-year average data from the Thai Meteorological Department (TMD) (2015–2024).

    Northern Thailand (Chiang Mai, Chiang Rai)

    Chiang Mai in July is cool, lush, and misty, with temperatures between 24 and 34°C. Short afternoon thunderstorms make the waterfalls look spectacular, but the paths can be slippery. Chiang Rai is slightly cooler, and the hills of the Golden Triangle are often shrouded in mist.

    Central Thailand (Bangkok, Ayutthaya)

    Bangkok is hot and humid in July, with occasional afternoon thunderstorms. Most sights can be visited without any problems – an umbrella is all you need. The historical ruins of Ayutthaya look brand new after rain, and Khao Yai National Park comes alive with cascading waterfalls, wildlife, and jungle trails.

    East Coast (Koh Samui, Koh Phangan, Koh Tao)

    Koh Samui is usually dry in July, with calm seas and plenty of sunshine. The situation is similar on Koh Phangan and Koh Tao. Beaches, snorkeling and diving spots are ideal during this month.

    West Coast (Phuket, Krabi, Phi Phi)

    July is the main rainy season here, with temperatures between 25 and 31°C. In Phuket, it often rains heavily in July, and the sea is rough. Similar conditions prevail in Krabi and Phi Phi, while Koh Lanta is somewhat calmer but still rainy. Many islands and boat tours may be closed.

    Safety tips for traveling in Thailand in July

    Short-term flooding can occur in July. This is not uncommon even in Bangkok or Koh Samui. Heavy rain can cause ankle-deep water. However, this usually disappears again within 10 to 20 minutes.

    If you are visiting waterfalls or caves:

  • Always pay attention to the warning signs at the entrance.
  • If the water becomes cloudy or brown, leave the area immediately – this is a classic sign of a flash flood.
  • Do not hike in heavy rain, especially in the national parks of the north.
  • Before booking boat trips on the Andaman coast, check the current local weather conditions.

    • To put it simply: Yes, it is worth traveling to Thailand in July, especially if that is the only time you can travel.

    Sure, it's not like December or January when the weather is less humid and cooler, but it's still bearable.

    This is what July actually feels like:

  • It doesn't rain all day. Showers often last 30–60 minutes and then stop again.
  • Depending on luck and region, there may also be several dry days in a row.
  • The advantage? Fewer tourists and lower prices compared to December to February.

    • Those who prefer a more relaxed pace will find July a surprisingly pleasant month to travel. With a little planning – choosing the right region, remaining flexible, and packing well – you can enjoy lush landscapes, quieter beaches, and lower travel costs.

    If you want to know when the best weather is for a visit to Thailand, you can check out our guide: Best and worst time to travel to Thailand.

    The best travel destinations in Thailand in July

    July brings Thailand to life. The rain cools the air, the forests glow in vibrant green, and the landscape appears fresh and alive.

    If you are traveling in July, I would like to recommend the following places:

    1. Chiang Mai – Mist-shrouded mountains and fresh air

    In July, Chiang Mai presents itself as refreshingly lush. Short rain showers wash the landscape in a wonderful way.

    The mountains surrounding the city often awaken shrouded in mist, and the morning hours on Doi Suthep or Doi Inthanon can feel almost like they're from another planet.

    Waterfalls like Mae Sa and Mon Tha Than flow powerfully and clearly – perfect for an uncomplicated break in nature.

    2. Chiang Rai – Temples that light up after the rain

    Chiang Rai is quieter in July, and the rain gives everything deeper colors. The White Temple and the Blue Temple look even more impressive against the gray sky.

    In Mae Salong, the so-called Golden Triangle, the hills are often shrouded in gentle mist. It's a fantastic time for hiking, photography, and enjoying the peace and quiet.

    3. Bangkok – A rain-kissed city full of comfort

    Bangkok experiences brief afternoon showers, but these usually pass quickly. In rainy weather, visits to ICONSIAM, the National Museum, or the Bangkok Art & Culture Centre are recommended.

    When the skies clear, the Chao Phraya River glows with pink sunsets and cooler breezes. July is also peak season for fruit – durian, mangosteen, rambutan – everything tastes especially good this month.

    4. Khao Yai – Forests in their greenest splendor

    In July, Khao Yai is lush and teeming with life. The waterfalls roar, most notably the 80-meter-high Haew Narok. Wildlife is also more active – with a bit of luck, you might spot hornbills, deer, gibbons, or even elephants. The trails can be muddy, but the fresh jungle air more than makes up for it.

    A quick note about Khao Sok (another famous national park in the south): It's beautiful during the rainy season, but the weather can be unpredictable in July. Caves are often closed, paths are slippery, and Cheow Lan Lake can be shrouded in clouds. It's therefore better suited to flexible and adventurous travelers.

    The most beautiful islands in Thailand to visit in July

    The beach weather in July depends entirely on which coast you choose.

    On the east coast, especially on Koh Samui, Koh Tao, and Koh Phangan, July is generally dry with calm seas and plenty of sunshine until mid-October. If you're looking for reliable beach weather in July, this is the place to be.

    The west coast: Phuket, Krabi, and Phi Phi present a very different picture in July. Rough seas and frequent storms prevail. Many national parks are closed, and boat tours are often canceled for safety reasons. If you visit Phuket in July, it's best to relax on the beach and avoid booking boat trips.

    Learn more about Phuket compared to Koh Samui.

    My experience: I once went on an island-hopping tour in Phuket in July – sunny morning, stormy afternoon, terrifying waves on the way back.

    You can find the complete travel guide to the best travel destinations in Thailand in July here.

    Crowds and costs in Thailand in July

    July is the off-season in Thailand, and the whole country feels noticeably quieter.

    Bangkok and Chiang Mai are still lively, but you won't find the usual tourist crowds from December to February. The temples feel quieter, the streets more relaxed, and you can book tours and activities at short notice and without stress.

    Prices also drop. Hotels and flights can be 30–50% cheaper than in the winter months, making July one of the cheapest times to travel.

    What you should pack and wear

    Avoid white sneakers unless you don't mind them getting damaged. Flip-flops are safer. Lightweight, tropical clothing is ideal. Temperatures can drop below 20°C at higher elevations; bring a jacket. High humidity can cause hair to frizz.

    Frequently Asked Questions – Thailand in July

    Q: How much rain does it get in July? A: Rain usually occurs in short showers lasting 30–60 minutes. Continuous rain throughout the day is rare.

    Q: Is it possible to go island hopping in July? A: On the east coast (Colombia, Koh Phangan, Koh Tao) yes. On the west coast (Phuket, Krabi) it is risky – storms and rough seas are common.

    Q: Is it hot in July? A: Temperatures remain warm, 24–34 °C depending on the region, with high humidity.

    Q: Are the national parks open in July? A: Yes, but some parks on the west coast close early due to rough seas. Please always check the official websites.

    Q: Should I expect flooding? A: Short-term flooding can occur, especially after heavy rain, but it usually subsides within 20 minutes.

    Q: Is it worth visiting Phuket in July? A: It usually rains in Phuket in July. Ideal for relaxing on the beach, but boat trips are often cancelled due to the rough seas.

    Ready to plan your July trip?

    If you're planning a trip in July, Thailand is a fantastic choice. Need help with route planning or selecting the most weather-friendly destinations? Feel free to contact us. We'd be happy to give you more tips and help you plan a hassle-free, even rain-proof, trip.

    For inspiration, you can also take a look at our Thailand trips.

  • 10-day classic Thailand tour: Bangkok, Chiang Mai and Koh Samui
  • 12-day Thailand Wonders Tour: Bangkok, Kanchanaburi, Chiang Mai and Krabi

    • Monthly weather and travel information for Thailand

    Find out about the weather in Thailand for 12 months and discover which places are best for each month.