Best Time to Visit Thailand
The best time to visit Thailand is between November and February, when the climate is relatively cool and dry.
Situated at the tropical zone, Thailand is the typical tropical monsoon climate. It enjoys the hot weather all year round and can be described as“four seasons like summer”.
Due to the influence of the tropical monsoon, south-central Thailand can be roughly divided into three seasons throughout the year:
– hot season (March to May)
– wet season (May to October)
– cool season(November to February)
When to Go to Thailand
Travel to Thailand in Cool Season (November - February)
From November to February, Thailand welcomes its best season of the year – the “cool season” is also the high tourist season. Although it is called "cool season", the temperature is not low, with an average temperature of 19°C to 26°C. The weather is good throughout the country at this time of year, it is cool and comfortable to travel to Thailand.
If you want clear blue skies and pleasant temperatures, it’s best to book your trip for the cool season. The major disadvantage is that this is the busiest time in Thailand, so airfares and hotels are likely to cost more.
Travel to Thailand in Hot Season (March - June)
Thailand’s shoulder season is during this period, when the weather is usually very hot and dry. Most of the area here has a tropical monsoon climate, and the annual average temperature is generally around 30 °C. April is the hottest month of the year when the temperatures can soar above 40 degrees, particularly in the northeast and Bangkok.
If you want to avoid the busy crowds and take advantage of the shoulder season promotion, it is a great time to visit during the summer time. But be sure to reserve your accommodation far in advance to get the best choice of hotels.
Travel to Thailand in Rainy Season (July - October)
The rainy season and off season in Thailand fall from July to October, when humidity levels are pretty high and downpours are frequent. The weather is wet and humid. 85% of the rainfall is concentrated in the rainy season throughout the year, and the monthly average temperature is maintained at around 27°C and 28 °C.
Please be advised that rain in Thailand is usually in short, intense bursts, so you won’t be shelter from the rain all the time. September is usually the wettest month of the year, it is not suitable for going to the beach or island. The changeable weather in this time will cause few sunny days while few rainy days later. Umbrella is necessary in this season.
What to Pack for Thailand
What kind of clothing to pack for a trip to Thailand depends on the season and itinerary. The weather in Thailand is hot and it is recommended that you bring some summer clothing such as T-shirts, loose shirts and other loose cotton clothing. You'd better bring a thin coat or tippet as the Thai temperature difference between day and night is very big.
If your destination includes Thai temples such as Wat Pho, Jade Buddha Temple, Wat Arun, Marble Temple, etc., the dress should be conservative to show respect. Remember not to wear short skirts, sleeveless clothes, shorts and do not leak your toes. So, pants and long dress may be necessary for travelers to pack.
If you are heading to beach, such as Pattaya or Similan, you don't have to worry about the taboos of dressing. You can prepare a swimsuit and a pair of sandals. Mosquito repellent, sunscreen, hats, sun glasses, foldable umbrella are also highly recommended to pack.