Chiang Mai Temperature & Weather: All Months Guide 2026
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Chiang Mai weather is perfect for exploration and sightseeing during the month of October through April. This is the perfect time to enjoy the cool and pleasant weather with a refreshing breeze blowing through the day. It is no wonder that this is when the tourism peaks in this part of Thailand. During this time, Chiang Mai temperature hovers between 25 to 32°C during the day and it is great for exploring the nearby mountains and all the attractions of Chiang Mai.

A Chiang Mai weather by month report is a perfect way to plan a trip to this exquisite holiday destination in Northern Thailand. January is considered to be the best month to visit Chiang Mai with the weather being slightly nippy and very little humidity. However, November is a great time to visit if you want to catch the very colorful festival of Loi Krathong. The climate in Chiang Mai is perfect during the months between November to February with perfect weather conditions to enjoy the attractions here. 



Chiang Mai Weather in January



Chiang Mai's temperature hovers around 28°C with clear blue skies and perfect climatic conditions for travelling and enjoying the sights. However, it can get a little chilly in the mornings and evenings. It is advisable for travellers to carry some light sweater or shawls while visiting Chiang Mai at this time.

January is a peak month in Chiang Mai and there are many travellers from other parts of Thailand and abroad who visit here to enjoy the wonderful cool weather. The surrounding hills do experience a lower temperature drop especially at night but during the day it still stays in the comfortable 20s. This is a perfect time to enjoy sightseeing.

Average Maximum Temperature:
30°C

Average Precipitation:
10 mm

Temperature Range:
14°C - 29°C

Chiang Mai Weather in February



February is one of the busiest months for tourism in Chiang Mai. The weather during the day is getting warmer but it can get chilly at night and in the mornings. Chiang Mai temperature during the day stays around 30°C. But the nights can still get a little cold by Thailand standards.

The temperatures at night hovers around 18-22°C and much colder near the hills. It can get rather hot after the mid of February. This is also the driest month of the year in Chiang Mai and precipitation of around 8 to 10 mm. It is also the sunniest month with over 10.5 hours of sunshine.

Average Maximum Temperature: 25.6 °C

Average Precipitation: 10mm

Temperature Range: 33°C - 15°C

Chiang Mai Weather in March



The climate in Chiang Mai in March brings in the spring season. The weather during this month can be described as hot and dry. According to weather reports March is the 6th coldest month of the year in Chiang Mai. During the day it is warm and the temperature ranges between 30 to 35°C while at night it can be really pleasant with a temperature range of 15 to 18°C.

Chiang Mai experiences the fourth driest weather in March with an average rainfall of about 15mm. This makes it ideal for visitors who want to explore the wonders of this beautiful city in the northern part of Thailand.

Average Maximum Temperature: 35°C - 17°C

Average Precipitation: 10mm

Temperature Range: 33°C - 15°C

Chiang Mai Weather in April



Spring is in full bloom in the month of April in Chiang Mai and it is a pleasant time to visit this fascinating city as well as its surrounding areas. In March the climate in Chiang Mai is one of the warmest of the year and day time temperature ranges between 32 to 36°C. Nights can be pleasant with temperatures ranging between 19 to 23°C.

On average the weather is dry with precipitation of around 57 mm spread across 6 days. However, this may vary depending on other factors. Sunshine per day is around 9.7 hours on an average. This is also the month of Songkran Festival, Thai New Year.

Average Maximum Temperature:
37°C

Average Precipitation:
50mm

Temperature Range:
30°C - 15°C

Chiang Mai Weather in May



According to Chiang Mai weather by month reports, May is the second warmest month of the year and it also starts seeing a little rain. The weather can be summarized as humid, wet and hot. Daytime temperatures range between 33 to 36°C with humidity of about 71%.

At night expect the weather to cool down a little and with an average temperature of 22 to 24°C. May is also the third wettest month of the year with precipitation of around 165mm. Rainfall is spread over about 16 days although it may vary considerably. On the other hand average sunshine per day is about 8.2 hours. Chiang Mai would be the best option if you are looking to travel to Thailand in May.

Average Maximum Temperature: 35°C

Average Precipitation: 160mm

Temperature Range: 35°C - 24°C

Chiang Mai Weather in June



The climate in Chiang Mai in the month of June can be categorized as hot, humid and wet. During the day temperatures can range somewhere between 31 to 34°C and the humidity level reaching 75 to 78%. Nights can be a little more comfortable with temperatures ranging between 22 to 24°C.

June is also the 5th wettest month of the year in Chiang Mai with precipitation levels reaching 137mm of rain. This is quite a wet time to visit Chiang Mai and the rainfall is spread around 18 days with some variations. The average sunshine that the city receives per day is around 6 hours. Although it is a low season for tourism it is actually a great time to visit Chiang Mai. 

Average Maximum Temperature:
33°C

Average Precipitation:
130mm

Temperature Range:
33°C - 24°C

Chiang Mai Weather in July



The climate in Chiang Mai in July is typically hot, humid and wet. July in Chiang Mai is the fourth warmest month of the year. The temperature during the day is high and ranges between 30 to 34°C while at night it fluctuates between 21 to 24°C. July is the wettest month in Chiang Mai with precipitation levels going up to about 165mm of rain.

This is a very wet time to visit Chiang Mai and it is considered off season here during this time. The rainfall is typically spread over 20 days although this may vary depending on other climatic reasons. The average sunshine per day is about 5.5 hours. Although it is rainy, tourism in Chiang Mai starts to pick up.

Average Maximum Temperature: 32°C

Average Precipitation:160mm

Temperature Range: 32°C - 24°C

Chiang Mai Weather in August



Chiang Mai experiences very hot, humid and extremely wet climate during the month of August. During the day Chiang Mai temperature ranges between 32 to 35°C with humidity levels reaching 81% and above. At night, however, it can get a little cooler with temperatures ranging between 22 to 25°C.

According to weather reports, August is the wettest month of the year in Chiang Mai with precipitation levels going up to 226mm and rainfall typically spreading between 20 to 24 days. This results in very little sunshine averaging about 4.9 hours per day. The rainy season is at its peak in August and the downpour is almost everyday. So travellers need to be prepared with umbrellas and raincoats along with gumboots.

Average Maximum Temperature: 32°C

Average Precipitation: 226mm

Temperature Range: 32° - 24°C

Chiang Mai Weather in September



September is the beginning of the autumn season in Chiang Mai and the weather may be summarized as hot, humid and quite wet. It is still quite warm during the day with maximum temperatures averaging between 30 to 34°C with humidity averaging at 82%.

September is the second wettest month of the year and precipitation at this time is around 224mm with the rainfall spread over 18 days. With an average of 6 hours of sunshine per day it leaves enough time for some great sightseeing for visitors to Chiang Mai in September. This is a great time to take advantage of low rates in the hotels as well as easy availability.

Average Maximum Temperature: 32°C

Average Precipitation: 224mm

Temperature Range: 32°C - 23°C

Chiang Mai Weather in October



The weather in Chiang Mai in October is reasonably cooler and although it is still hot the humidity level decreases and the nights are quite balmy. The temperature during the day averages between 29 to 32°C and at night it comes down to 21°C. Precipitation at this time is around 125mm and the rainfall is spread over 12 days on average.

With sunshine of about 8 hours per day it is a great time to visit the golden rice fields all ready to be harvested. Tourism too starts to pick up around this time and great deals are available on hotels and other accommodations.

Average Maximum Temperature: 31°C

Average Precipitation: 125mm

Temperature Range: 31°C - 22°C

Chiang Mai Weather in November



November is the fourth coldest month of the year in Chiang Mai and the weather is hot, humid and a little dry. Chiang Mai Temperature during the day averages around 27 to 29°C while at night it drops to 18 to 20°C. November is considered to be one of the driest months of the year in Chiang  Mai with rainfall averaging at 44mm and spread over 6 days.

Enjoy the sunshine of over 8 hours a day during November making it great for sightseeing and outdoor camping. The skies are clear and it is a great time to visit Chiang Mai and its surrounding areas. This is also one of the peak times for tourism so it is best if travelers book their hotels in advance.

Average Maximum Temperature: 30°C 

Average Precipitation: 44mm

Temperature Range: 30°C - 19°C

Chiang Mai Weather in December



With temperatures dropping December is the second coldest month of the year. The weather at this time can be surmised as warm and dry with a little humidity. The average temperatures during the day is between 26 to 28°C and at night it falls to a cool 14 to 16°C. The humidity at this time averages around 74% with precipitation at 12mm. Rainfall at this time is spread over 2 days with some variations.

With 9 hours of sunshine per day you can enjoy all the thrilling sights and other activities of this fascinating place. This is the peak month for tourism especially during Christmas and New Year.

Average Maximum Temperature: 28°C

Average Precipitation: 12mm

Temperature Range: 28°C - 15°C
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