When is the best time to visit? What to expect in terms of weather, crowds, and activities You will be able to plan your trip accordingly. At least make it come close to a perfect and happily trip.
November to February
The best time to visit Chiang Mai and the north of Thailand is during the high season, when the weather is most pleasant. The cool season is the biggest reason to spend here.
This is when the rain has stopped, nature is green, the waterfalls are filled up and the nights are fresh (and even cold sometimes). Take a warm jacket with you.
All of the activities that can be done during this time of travel. The beautiful weather brings crowds and inflated rates, especially during the Christmas and Western New Year holidays.
I highly recommend to visit Chiang Mai this season and booking in advance to get a budget cost.
March to May
In April, the weather is generally hot and dry, with an average temperature of 38°C that could rise to 42°C. The major event is Songkran Thai New Year. This period is the best time to head to the Andaman coast.
During the summer, daytime temperatures regularly reach 40 degrees Celsius. These are the least enjoyable months to be in Chiang Mai. Not only because of the hot weather, but also because of the smog in the city.
I wouldn’t recommend coming here during the summer unless you want to attend Songkran. This season should go to laying on the sunshine and sea breezes in the south.
June to October
The monsoon season is followed by the green season, when the landscape is lush and the temperatures are pleasant. The rainy season brings the long awaited cool weather in the form of rain, which usually falls at the end of the afternoon in tropical downpours.
The jungle surrounding Chiang Mai is lush and alive, and you should go trekking at least once. However, the sea breezes in the gulf coast islands (Samui and neighboring) are your best bet for avoiding rain.
This is a good option for low-cost travel because there are few tourists. Recommend visiting the countryside on the other side of the mountain. You will see sunshine in the rain.
Briefly, 2 months should not arrive from March to April, hot and humid weather with occasional rains from May to October, then sabai sabai (comfortable) nice season from November to February.