May in Chiang Mai appeals to adventurous travellers who enjoy sunny days, fewer crowds, and lower travel costs. It’s the start of summer, with long daylight hours perfect for sightseeing and exploring local culture. Accommodation and flight prices are generally lower compared to peak season. However, May is also one of the hottest months, with temperatures often reaching above 35°C, making exploration uncomfortable. The humidity is high, and while rainfall is minimal early in the month, occasional showers may occur later. Morning and evening activities are best. In this article, we will take you through May  in Chiang Mai. From weather to top activities, events, and festivals. You will also learn the pros and cons of visiting in January, and get travel tips to make the most of your trip.

Overview of May Weather in Chiang Mai 

November marks the beginning of the peak season in Bangkok, with cool and dry weather, and temperatures ranging from 24°C to 32°C. The weather in Bangkok is the best from November to February. You can enjoy some of the best outdoor activities in Bangkok during November. You are open to choose freely between your favourite outdoor or indoor activities to do. Travellers wishing to enjoy the best climate in Thailand should think of November as an option to get over here.

The levels of humidity are quite lesser and the environment is cooler and pleasant too. This is the best time to enjoy the unique travelling experience in Bangkok. You can get along the superb streets, relaxing beaches and cool Thai weather during the month of November. It generally doesn’t rain in the month of November here so this is not a problem too.

Average temperature

In May, Chiang Mai’s daytime temperatures average between 29°C and 35°C, while nights cool to around 23°C. The city remains hot and humid, making midday exploration uncomfortable. Mornings and evenings are noticeably more pleasant. The heat can intensify in certain areas, with occasional peaks reaching up to 40°C.

Rainfall levels 

There is minimal rainfall during the month of May, especially at the start of the month. Chiang Mai receives  less than 20 mm of rainfall in the month of May. The amount of rainfall may vary from one region to another. The southern and the west coast still receives a slight rainfall as compared to the Northern and east coast. It is best to carry an umbrella and raincoat if you are travelling to Chiang Mai.

Humidity and wind conditions 

October marks the end of the rainy season and the beginning of winter weather in most parts of Thailand. Despite the winter season, there is an average sunshine of 6-8 hours in a day. October is considered the best month for tourists to visit Thailand as you will be able to enjoy most of the outdoor activities and also get most of the deals at a cheaper rate.

Comparison to other months 

Compared to cooler months like January or February, May is significantly hotter and more humid. While March and April are also warm, May sees a sharper rise in humidity and occasional rain. However, it offers fewer tourists and lower prices, making it appealing for budget conscious and heat tolerant travellers.

Is May a Good Time to Visit Chiang Mai?

It is best to visit Chiang Mai in the start of May and avoid visiting the place towards the end of may as it marks the beginning of the rainy season. However, for those who want to travel at an affordable rate and enjoy less crowds, it is better to travel during the end of the month. Overall if you are okay with the rain and want to avoid the crowd then it is the best month to travel.

Pros and Cons of Visiting in May

Pros

• If you are planning a trip to the beaches then it is the best time as you will experience cool breeze as compared to other regions of Chiang Mai which are really hot.
• Rainy season is over and you will be able to enjoy most of the activities as the places are all open and operational
• Since it is the hottest month most people avoid travelling to Chiang Mai during May which makes May a favourable month to travel if you want to experience less crowd
• The price of almost everything is low as compared to other months as it also marks the beginning of rainy season

Cons

• It marks the beginning of rainy season which can disrupt your travelling experience
• It is also the hottest month of the year which can make travelling to outdoor places a little uncomfortable.
• The beach condition is not really good which can impact the beach activities and water sports
• It might not be safe to travel as the roads might not be in good condition due to the heavy downpour specially in the Central and Northern region of Chiang Mai.

Best Activities to Enjoy in May

Watch traditional Thai dance

Thai culture is not only rooted in its food and eating habits but is also deeply connected to its popular traditional dances. Watching a traditional Thai cultural dance is always a treat to oneself. Ram Thai, Lakhon and Fawn Thai are some of the most widely recognised Thai dance styles. You can go for either ticketed shows or free shows at Chiang Mai. The Siam Niramit, Simon Cabaret, Sri Panwa Chiang Mai Luxury Pool Villa Hotel and Westin Siray Bay Resort & Spa are some popular places to watch traditional Thai dances.

Spend a day at Nai Harn Beach

Nai Harn Beach is a popular selection for a peaceful day with the atmosphere being magnificent, and chances for refreshment and some cool activities. It’s popular for its larger beach zone, peaceful waters, and lush green environment. This is a perfect place for enjoying the royal weather and beach related activities. I think beach lovers never miss this perfect destination.

Take a Muay Thai class

Muay Thai is among the best activities to do when in Chiang Mai or Thailand. Muay Thai orcas commonly named Thai Boxing in the West, is a wonderful martial art and sporting talent that began in Thailand. This sport is even called the ‘Art of eight limbs.’ This martial art is extraordinary in the mix of kicks, punches, elbow strikes, knee strikes, and clinching methods. Getting to learn about Muay Thai is a wonderful opportunity not to let go when in Chiang Mai.

Visit Kathu Waterfall

The Kathu Waterfall is a magnificent group of beautiful drop pools situated in the Kathu district region of Chiang Mai. Tourists can experience a  stroll up a staircase to experience the varied levels and feel the tropical vegetation around. This waterfall is best visited in the months of June to November when the water flow is highly frequent. Kathu Waterfall is open for visitors from 8 am to 6 pm.

Events & Festivals in May

Visakha Bucha Day 

A major Buddhist holiday celebrated with candlelit processions at temples.

Local Food Fairs 

Various seasonal markets showcasing northern Thai cuisine.

Small Cultural Fairs 

Occasional local craft and art markets in the old city.

Travel Tips for May in Chiang Mai

• Cover your shoulders and knees, and remove your shoes before entering the temples
• Consider an ethical elephant sanctuary and support organisations that prioritise the well being of elephants.
• Learn a few basic Thai phrases which will help you to enrich your experience
• Get around easily with Grab
• Enjoy the markets by visiting the Night Bazaar, Sunday Walking Street, and Warorot Market for unique finds and delicious food.

Conclusion 

May in Chiang Mai offers a unique travel experience with less crowded, more affordable, and culturally rich. While the intense heat and high humidity require careful planning, these challenges can be managed by adjusting your schedule and staying hydrated. Mornings and evenings provide the perfect window for outdoor exploration, while afternoons are ideal for indoor activities or relaxation. The occasional rain brings freshness to the air and adds charm to the surroundings. For travellers who enjoy a quieter atmosphere, May is a rewarding choice, offering a balance of cultural immersion, scenic beauty, and great value for money.

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