Weather in Chiang Mai + Best Time to Visit

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What is the weather in Chiang Mai in Thailand? What is the best time to visit Chiang Mai.

☀️ Weather + Seasons
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🔎 Weather in Months
Questions + Answers
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What is the weather in Chiang Mai in Thailand?

Chiang Mai is a city located in northern Thailand and is known for its stunning temples, beautiful scenery, and rich cultural heritage. It is one of the most popular tourist site for foreign tourists visiting Thailand. And this city has a lot of interesting sites for visit. The weather in Chiang Mai can be divided into three seasons: hot, cool, and rainy.

☀️ The hot season in Chiang Mai usually starts in March and lasts until May. During this time, temperatures can reach up to 40°C (104°F), making it quite hot and humid. It is recommended to wear light and breathable clothing, stay hydrated and avoid staying outside for extended periods during the hottest parts of the day.

⛈️ The rainy season in Chiang Mai begins in June and lasts until October. During this time, the city experiences frequent rainfall and the weather can be quite unpredictable. However, the rain usually comes in short bursts, and it is still possible to enjoy outdoor activities in between showers.

The cool season in Chiang Mai begins in November and lasts until February. During this time, temperatures drop to a comfortable range of 15-25°C (59-77°F). This season is also popular among tourists as the weather is mild and pleasant. It is a great time to explore the city’s beautiful temples and enjoy outdoor activities like hiking or cycling.

Overall, Chiang Mai’s weather is generally warm and pleasant throughout the year. It is always recommended to check the weather forecast before visiting and pack accordingly to ensure a comfortable and enjoyable trip.


What is the best time to visit Chiang Mai?

The best time to visit Chiang Mai largely depends on personal preferences and what you want to experience during your trip. However, the most popular time to visit Chiang Mai in Thailand is during the cool season, which runs from November to February. During this time, the weather is cooler and less humid, making it a great time to explore the city’s many temples, markets, and outdoor attractions. Additionally, the cool season coincides with several popular festivals in Chiang Mai, such as Loy Krathong in November and the Chiang Mai Flower Festival in February.

If you’re looking to avoid crowds and don’t mind warmer temperatures, the shoulder seasons of March to May or September to October can also be great times to visit. These periods offer fewer crowds and lower hotel prices, but do come with higher temperatures and occasional rainfall during the latter part of September and October.

The hot season (March to May) can be challenging for those who are sensitive to high temperatures and humidity. The rainy season (June to October) can also be a good option for budget travelers since accommodations and activities are cheaper, but it may not be ideal for outdoor activities. If you prefer cooler temperatures and festive atmosphere, the cool season (November to February) is the best time to visit. If you want to avoid crowds and enjoy budget-friendly options, consider visiting during the shoulder seasons (March to May or September to October).
What is the current weather in Chiang Mai? Current weather in Chiang Mai

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Weather in Chiang Mai throughout the year:

Month Weather Description
January in Chiang Mai January is generally a great time to visit Thailand as it falls within the cool and dry season. The weather is typically pleasant with low humidity and comfortable temperatures, especially in the northern regions of the country such as Chiang Mai and Chiang Rai. Average temperatures during the day range from around 25-30°C (77-86°F), and it is relatively cool at night, with temperatures dropping to around 20°C (68°F) or lower. The beaches and islands in the south such as Phuket and Koh Samui experience similarly good weather, with sunny days and clear skies, making it an ideal time for swimming, snorkeling, and other water activities. However, it is important to note that popular destinations can get crowded during this time, and prices for accommodations and activities may be higher.
February in Chiang Mai February is generally a pleasant time to visit Chiang Mai as it falls within the cool and dry season. Temperatures are comfortable, with average daytime temperatures ranging from 26-30°C (79-86°F) and cooler evenings with temperatures around 15°C (59°F). The weather is mostly sunny with low humidity, making it a great time for outdoor activities and sightseeing.
March in Chiang Mai March marks the end of the cool season in Chiang Mai, and temperatures begin to rise gradually. The weather remains dry, with plenty of sunshine and clear blue skies. Average temperatures during the day range from 30-35°C (86-95°F) and can feel humid, especially towards the end of the month. However, the nights are still cool, making it a good time for outdoor dining and evening strolls.
April in Chiang Mai April is the hottest month in Chiang Mai, and temperatures can reach up to 40°C (104°F). It is important to stay hydrated and take precautions against the heat. The weather remains mostly dry, with occasional brief showers towards the end of the month. However, the Songkran water festival, celebrated mid-April, is a fun and lively time to visit the city.
May in Chiang Mai May is part of the hot and wet season in Chiang Mai, and temperatures remain high, averaging around 30-35°C (86-95°F). The weather becomes increasingly humid, and brief but intense rain showers become more frequent, particularly towards the end of the month. However, the rains usually don’t last all day, and there are still plenty of sunny spells. The lush greenery around the city is in full bloom, making it a scenic time for hiking and outdoor adventures.
June in Chiang Mai June marks the beginning of the rainy season in Chiang Mai, with high humidity and frequent rain showers throughout the month. The average temperature during the daytime is around 31°C (88°F), with nighttime temperatures dropping to around 24°C (75°F). The rain showers are typically brief and occur in the afternoon or evening, so mornings are usually dry and sunny. While the rain can put a damper on outdoor activities, it can also make for lush and green scenery in the countryside.
July in Chiang Mai July is part of the rainy season in Chiang Mai, and temperatures continue to cool down, with average daytime temperatures ranging from 26-31°C (79-88°F). The rains become more consistent, with occasional thunderstorms, particularly in the afternoons and evenings. Despite the wet weather, there are still plenty of indoor activities to enjoy in Chiang Mai, such as visiting museums, temples, and markets.
August in Chiang Mai August is one of the wettest months in Chiang Mai, with frequent rain showers and occasional thunderstorms. Temperatures remain relatively cool, with average daytime temperatures ranging from 26-30°C (79-86°F). The city and surrounding countryside are at their most green and lush, making it a good time for scenic drives and outdoor adventures.
September in Chiang Mai September marks the end of the rainy season in Chiang Mai, and the weather gradually begins to improve. The rains become less frequent, with occasional showers and sunny spells. Average daytime temperatures range from 25-30°C (77-86°F), and the humidity begins to ease up. It is a good time for trekking and outdoor activities, as the countryside is still lush and green from the rains.
October in Chiang Mai October is a transitional month in Chiang Mai, as it marks the end of the rainy season and the beginning of the cool and dry season. While there may still be some rain, particularly in the first half of the month, the weather is generally dry and sunny with comfortable temperatures. The countryside is still lush and green from the previous months of rain, making it a great time for nature lovers to explore the area’s forests, waterfalls, and national parks. The cooler weather also makes it a great time to enjoy outdoor activities like hiking, mountain biking, and sightseeing.
November in Chiang Mai November is another great month to visit Chiang Mai as the weather continues to be cool and comfortable, making it perfect for outdoor activities. It’s the end of the rainy season, so the countryside is still green and vibrant, but the rainfall is significantly reduced. Average daytime temperatures range from 23-28°C (73-82°F), and the evenings can be cooler, so it’s a good idea to bring a light jacket or sweater. It’s also a great time to attend some of the cultural events that take place in Chiang Mai, such as the Yi Peng and Loy Krathong festivals, which are celebrated with colorful lanterns and floating candles.
December in Chiang Mai December marks the start of the cool and dry season in Chiang Mai, with comfortable temperatures and low humidity. Average daytime temperatures range from 22-28°C (72-82°F), and the evenings can be chilly, with temperatures dropping to around 15°C (59°F). This is the peak tourist season in Chiang Mai, and the city can be crowded, but the festive atmosphere, colorful markets, and cultural events like the Loy Krathong festival make it a great time to visit.


The Current weather in Chiang Mai – Thailand:

CHIANG MAI WEATHER

Max, Min and Average Temperature in Chiang Mai:

The maximum temperature in Chiang Mai can reach as high as 35-40°C (95-104°F) during the hot season, and can range from 25-30°C (77-86°F) during the cool season, and from 30-33°C (86-91°F) during the rainy season. The minimum temperature can range from 20-25°C (68-77°F) during the hot season, 10-15°C (50-59°F) during the cool season, and 22-24°C (72-75°F) during the rainy season. The average temperature in Chiang Mai is around 28°C (82°F) throughout the year, with variations depending on the season. Visitors should check the weather forecast before traveling and pack accordingly to ensure they are prepared for the temperatures and weather conditions they may encounter.

Month Max. Temp. (°C) Min. Temp. (°C) Aver. Temp. (°C)
January 29-31 12-15 20-23
February 31-34 14-16 22-25
March 35-40 18-21 26-29
April 35-40 22-25 29-32
May 32-36 22-25 27-30
June 30-33 20-25 25-28
July 30-32 20-24 25-27
August 30-32 20-24 25-27
September 30-32 20-24 25-27
October 30-32 18-21 24-27
November 29-31 12-15 20-23
December 29-31 10-14 19-22


Rainfall and Rainy Days in Chiang Mai:

The rainy season in Chiang Mai lasts from May to October, with August and September being the wettest months. During this period, the city experiences frequent afternoon showers and thunderstorms, which can sometimes be heavy and lead to flash floods in low-lying areas. The average annual rainfall in Chiang Mai is around 1,100 millimeters (43 inches), with the highest rainfall occurring in the mountains surrounding the city. The amount of rainfall can vary greatly from year to year, with some years experiencing drought conditions while others can be very wet. Visitors to Chiang Mai during the rainy season should be prepared for wet weather and bring appropriate clothing and gear, such as rain jackets and waterproof shoes.

Month Aver. Monthly Rainfall (mm) Rainy Days
January 8 1
February 13 1
March 28 3
April 64 6
May 157 12
June 104 12
July 129 14
August 179 16
September 246 18
October 120 12
November 37 4
December 12 1


Max and Average Wind Speed and Wind Gust in Chiang Mai:

Chiang Mai experiences a moderate to strong prevailing wind during the cool season, which typically blows from the northeast. The hot and rainy seasons, on the other hand, are characterized by relatively calm winds. The average wind speed in Chiang Mai in Thailand is around 2-3 meters per second (m/s) throughout the year, with occasional gusts up to 10 m/s during the cool season. The maximum average wind speed in Chiang Mai occurs during the cool season, which runs from November to February. During this time, the average maximum wind speed can reach up to 5-6 m/s. The average wind gust speed during this period can be even higher, up to 15-20 m/s.

Month Max Wind Speed (m/s) Aver. Wind Speed (m/s) Max Wind Gust (m/s)
January 4.6 2.0 9.4
February 5.2 2.2 11.5
March 4.8 2.0 9.9
April 4.4 1.8 8.8
May 3.3 1.3 7.3
June 2.6 0.9 5.3
July 2.5 0.8 5.4
August 2.7 0.9 6.4
September 3.0 1.1 7.2
October 4.9 1.9 11.3
November 5.8 2.2 13.9
December 4.9 2.0 11.2


Cloud and Humidity in Chiang Mai:

In Chiang Mai, the amount of cloud cover and humidity can vary significantly throughout the year. The city experiences a dry season from November to May, and a wet season from June to October. During the dry season, the skies are usually clear or partly cloudy, while during the wet season, clouds are more prevalent. In terms of humidity, Chiang Mai has a tropical climate with high levels of humidity throughout the year. The average relative humidity ranges from around 60% to 85%, with the highest levels typically occurring during the wet season. This high humidity can make the temperatures feel even warmer, particularly during the hottest months of the year.

Month Cloud Cover Humidity
January 35% 70%
February 35% 65%
March 35% 60%
April 35% 60%
May 40% 65%
June 60% 80%
July 65% 85%
August 60% 85%
September 60% 85%
October 45% 85%
November 35% 80%
December 35% 75%


Sun Hours and Sun Days in Chiang Mai:

Chiang Mai enjoys a good amount of sunshine throughout the year, with an average of 8 hours of sunshine per day. The sunniest months are February and March, with an average of 9 hours of sunshine per day. The cloudiest months are July and August, with an average of 5-6 hours of sunshine per day. The number of sunny days in Chiang Mai varies throughout the year as well. From November to February, it is generally sunny, with an average of 28-30 sunny days per month. From March to May, the number of sunny days decreases slightly to an average of 26-28 sunny days per month. During the rainy season from June to October, the number of sunny days decreases significantly, with an average of only 10-20 sunny days per month.

Month Number of Sunny Days Aver. Sun Hours per Day
January 27 8
February 28 9
March 26 9
April 27 8
May 26 7
June 18 6
July 16 5
August 18 6
September 17 6
October 20 7
November 28 8
December 29 8


Visibility in Chiang Mai:

Visibility in Chiang Mai can be affected by several factors, including air pollution and weather conditions. During the dry season from November to May, the visibility is generally good with clear blue skies and good air quality. However, during the rainy season from June to October, the humidity and rainfall can lead to haze and reduced visibility. In recent years, Chiang Mai has experienced high levels of air pollution, particularly during the burning season from February to April when farmers burn crop residues in preparation for the next planting season. This can significantly reduce visibility and make it difficult to see the mountains and other landmarks in the distance.

Note: The average visibility data used in this table is based on historical records and may vary year to year.

Month Average Visibility (km)
January 10.3
February 9.5
March 9.3
April 10.0
May 10.9
June 10.4
July 10.1
August 10.6
September 10.8
October 10.7
November 10.9
December 10.6

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Frequently Asked Questions – Weather in Chiang Mai:

1. What is the best time to visit Chiang Mai?

    • The best time to visit Chiang Mai is from November to February, when the weather is dry and cool. During this time, temperatures range from 15°C to 28°C (59°F to 82°F), making it comfortable to explore the city and its surroundings.

2. What is the hottest month in Chiang Mai?

    • The hottest month in Chiang Mai is April, with an average high temperature of 36°C (97°F). It’s also the start of the hot season, which lasts from March to May. During this time, temperatures can soar up to 40°C (104°F), and the humidity can be quite high.

3. What is the rainy season in Chiang Mai?

    • The rainy season in Chiang Mai is from May to October, with September and October being the wettest months. During this time, the city experiences daily downpours that can last for hours. The rain can make some activities and attractions inaccessible, but it also provides a refreshing relief from the heat.

4. Is Chiang Mai affected by typhoons?

    • Chiang Mai is not typically affected by typhoons or tropical storms as it is located in the northern region of Thailand, far from the coast. However, it can experience heavy rain and flooding during the rainy season.

5. What is the air quality like in Chiang Mai?

    • The air quality in Chiang Mai can be poor during the dry season, especially from February to April, due to forest fires and agricultural burning. It’s advisable to check the air quality index (AQI) before engaging in outdoor activities during this time.

6. What is the average humidity in Chiang Mai?

    • The average humidity in Chiang Mai ranges from 60% to 80% throughout the year. During the rainy season, the humidity can be quite high, making it feel much warmer than it actually is.

7. What is the wind speed like in Chiang Mai?

    • The wind speed in Chiang Mai is relatively low, with an average of 1-3 meters per second (3-9 feet per second) throughout the year. However, during the cool season, there can be occasional gusts of wind.

8. Does Chiang Mai experience any natural disasters?

    • Chiang Mai is relatively safe from natural disasters, although it can experience flooding and landslides during the rainy season. In recent years, the city has also experienced occasional earthquakes, but they have been minor and have not caused significant damage.

9. What is the UV index like in Chiang Mai?

    • The UV index in Chiang Mai can be high throughout the year, especially during the hot season. It’s important to wear sunscreen and protect your skin from the sun’s harmful rays.

10. What is the visibility like in Chiang Mai?

    • The visibility in Chiang Mai is generally good throughout the year. However, during the hot season, there can be occasional haze due to forest fires and agricultural burning.

11. What is the average temperature of the waterfalls in Chiang Mai?

    • The average temperature of the waterfalls in Chiang Mai ranges from 15°C to 20°C (59°F to 68°F) throughout the year. It’s refreshing to take a dip in the waterfalls during the hot season.

12. What is the best time to see the cherry blossoms in Chiang Mai?

    • The cherry blossoms in Chiang Mai bloom in January and February, during the cool season. Doi Inthanon National Park is a popular spot to see the cherry blossoms in full bloom.

13. What is the best time to see the rice paddies in Chiang Mai?

    • The best time to see the rice paddies in Chiang Mai is typically from mid-July to mid-October. During this time, the rainy season is in full swing, and the rice paddies are lush and green. The rice paddies are an integral part of the cultural heritage of Chiang Mai, and they are a breathtaking sight to see.

14. Where you can travel from Chiang Mai?

    • From Chiang Mai you can also travel to Mae Hong Son, Chiang Rai or you can go to Pai. There is no railway between these places, it is necessary to travel by bus, minivan, private car or motorbike.

15. How to travel solo in Thailand?

    • Embark on a solo adventure in Thailand by researching destinations, ensuring personal safety, trying local experiences, connecting with fellow travelers, and savoring the diverse landscapes and attractions the country has to offer. Traveling on your own in Thailand is very popular by travelers. Read this article: Solo Travel in Thailand.

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