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Best time to visit Chiang Mai, Thailand

Our verdict

The best time to visit Chiang Mai is January-April

Want to know when to travel to Chiang Mai? Based on criteria such as the weather, cost of flights and hotels, and peak travel periods, January-April is the best time to go to Chiang Mai. Don’t just take our word for it though… We’ve put together loads of information below to help you decide, such as a monthly breakdown of the weather, what to pack, when to fly, and much more.

In the summer months, temperatures tend to get to a maximum of around 42℃ (108℉). In the colder months such as January, temperatures usually get down to an average minimum of 14℃ (58℉).

The longest days between sunrise and sunset in Chiang Mai are usually in May, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. To stay dry, avoid travelling to Chiang Mai in August – It’s the wettest month of the year.

Keep reading to learn more about the best times to go to Chiang Mai, including detailed weather information and tools to help you find and book great deals on your travel.

Warmest month

April

Least rainfall

February

Most daylight

May

Chiang Mai seasons

Before you continue, it’s important to know when the seasons are in Chiang Mai as they might be different to yours depending on where in the world you’re travelling from. Chiang Mai is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Chiang Mai

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Chiang Mai for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Chiang Mai climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Chiang Mai for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Chiang Mai in January

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 64%
  • Average sunny days: 26 days
  • Average rainfall: 7mm (0") over 3 days
26 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Chiang Mai in February

  • Average temperature: 24℃ (76℉)
  • Average high temperature: 33℃ (92℉)
  • Average low temperature: 17℃ (62℉)
  • Average humidity: 45%
  • Average sunny days: 27 days
  • Average rainfall: 0mm (0") over 1 days
27 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Chiang Mai in March

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 36℃ (97℉)
  • Average low temperature: 21℃ (69℉)
  • Average humidity: 39%
  • Average sunny days: 26 days
  • Average rainfall: 5mm (0") over 3 days
26 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in March, make sure you pack t-shirts, shorts and sun protection for the day, and maybe a very thin sweater for the evenings if you're a cold frog.


Chiang Mai in April

  • Average temperature: 31℃ (88℉)
  • Average high temperature: 39℃ (102℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 43%
  • Average sunny days: 17 days
  • Average rainfall: 18mm (1") over 6 days
17 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in April, make sure you pack t-shirts, shorts and sun protection.


Chiang Mai in May

  • Average temperature: 30℃ (85℉)
  • Average high temperature: 36℃ (97℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 61%
  • Average sunny days: 9 days
  • Average rainfall: 51mm (2") over 16 days
9 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in May, make sure you pack t-shirts, shorts and sun protection.


Chiang Mai in June

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 32℃ (90℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 75%
  • Average sunny days: 7 days
  • Average rainfall: 44mm (2") over 20 days
7 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in June, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Chiang Mai in July

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 22℃ (72℉)
  • Average humidity: 81%
  • Average sunny days: 6 days
  • Average rainfall: 71mm (3") over 22 days
6 days
of pure sunshine
22 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in July, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Chiang Mai in August

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 22℃ (71℉)
  • Average humidity: 81%
  • Average sunny days: 6 days
  • Average rainfall: 93mm (4") over 21 days
6 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in August, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Chiang Mai in September

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 21℃ (71℉)
  • Average humidity: 80%
  • Average sunny days: 9 days
  • Average rainfall: 50mm (2") over 18 days
9 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in September, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.

Chiang Mai in October

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 77%
  • Average sunny days: 16 days
  • Average rainfall: 27mm (1") over 11 days
16 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in October, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Chiang Mai in November

  • Average temperature: 24℃ (74℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 74%
  • Average sunny days: 21 days
  • Average rainfall: 14mm (1") over 5 days
21 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Chiang Mai in December

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 15℃ (59℉)
  • Average humidity: 71%
  • Average sunny days: 25 days
  • Average rainfall: 10mm (0") over 4 days
25 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Chiang Mai in December, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Top FAQs

The hottest month of the year in Chiang Mai is usually April, where temperatures tend to rise to around 39℃ (102℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Chiang Mai is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Chiang Mai is generally around August, although the wetter season can sometimes extend a few months either side of August too.
If you want to get the most out of your time visiting Chiang Mai, or if you're just afraid of the dark, the days in May are usually the longest between sunrise and sunset.

Chiang Mai map