Thailand Weather

3-Day Weather Forecast of Major Cities
Thailand Climate & Weather Facts
  • Climatic Zone: Tropical Monsoon Climate zone
  • Climatic Features: hot all year round; affected greatly by the monsoon
  • Average Temperature: 22℃ - 32℃ (71.6℉ - 89.6℉) 
  • Warmest Month: April; Hottest City: Nakhon Sawan: 38℃ (100.4℉)
  • Coolest Month: January; Coldest City: Chiang Mai: 15℃ (59℉)
  • What is the weather like in Thailand?
    Thailand weather has three seasons of cool, hot and rainy due to the monsoon influence. The temperature is the highest from March to May, with an average temperature of 32℃(89.6℉) to 38℃(100.4℉). It is called hot season and air is dry with low humidity. From June to the late October, it is the rainy season, accounting for 85% of rainfall throughout the year. After the rainy season, Thailand sees the best season of the year- cool season, which is from November to February, with an average temperature of 19℃(66.2℉) to 26℃(78.8℉).
  • Best time to visit: November to February
Thailand Seasons - Temperature & Clothing Guide
Cool Season
November - February
  19- 31℃ (66.2 - 87.8℉)
Clothes to Wear:
shorts, t-shirt in the daytime, thin jacket in the evening.
Hot Season
March - May
  32- 38℃ (89.6 - 100.4℉)
Clothes to Wear:
take parasol, sunscreen and cotton fabrics and so on.
Rainy Season
June - October
   24- 32℃ (75.2 - 89.6℉)
Clothes to Wear:
shirts, pants, waterproof rain gears
Monthly Weather of Thailand - Temperature & Rainfall
Regional Weather of Thailand

North Thailand
  • Major Destinations: Chiang Mai, Chiang Rai
  • Weather Review: Most areas of northern Thailand are subtropical monsoon climate. The average annual temperature is around 25℃(77℉). The rainy season in northern Thailand is from June to September, when the rainfall is abundant. So tourists must bring rain gears when you come to travel. Except for the rainy season of June to September, the rest of time is suitable to travel.
  • See more about Chiang Mai Weather

Central Thailand
  • Major Destinations: Bangkok, Ayutthaya, Hua Hin
  • Weather Review: Due to the influence of the tropical monsoon, the central parts of Thailand can be clearly divided into three seasons: February to May is called the hot season; from June to late October, they are the rainy season. After the rainy season, it ushers in the best season of the year - cool season, which is from November to January.
  • See more about Bangkok Weather

South Thailand
  • Major Destinations: Ko Samui, Phuket
  • Weather Review: As for the southern Thailand, the west coast areas have large rainfall between April and October because of southwest monsoon; and the east coast areas expect great chances of rainfall between September and December because of southeast monsoon.
  • See more about Phuket Weather