Thailand WeatherThailand Weather is certainly not a state you want to be in when planning on visiting Thailand anytime soon. Between January and July the weather in Thailand is undeniably hot, but this is followed by a cold spell from October to April. Between mid-March and mid-June the weather in Thailand is mostly dry, but this is punctuated by an above average monsoon in the north west corner of Thailand. The high humidity that prevails in Bangkok persists until the end of July. In central Thailand the summer weather in Bangkok is more bearable, with most districts seeing milder conditions. Thailand Weather by Month For northern Thailand the months are distinctly defined. Between November and May, the weather is mainly dry, but this is broken down to the months November to February and March, which have the highest relative humidity. The later of the two seasons has the much higher relative humidity since the north-west monsoon doesn't directly impact the northern region of Thailand, but it does create offshore breezes in the months of March and April. Thailand Weather at a Glance For the people of Thailand, the most important aspect of Thailand's weather is the monthly rainfall which totals up to 17.5 cm during the month of February. With such high readings come abnormally high temperatures. Sweaty temperatures combined with the high humidity cause most of Thailand's February visitors to become severely dehydrated in addition to being miserable. Thailand Weather in June When the monsoon ends, Thailand weather enters its second phase which is the dry and monsoon season. The west coast of Thailand is mostly dry from mid-May to mid-Sept, although the north-west monsoon showers in Krabi are not so frequent. Thailand Weather in July Since the north-west monsoon has ended, Thailand weather moves into its wet and rainy season which begins in August. With the increasing rainy season comes the growth of some pests and tropical fish diseases that become more prevalent. Thailand Weather in August becomes noticeably hotter as the Thai government starts to ban the burning of wood. Thailand Weather in December When the rains fade Thailand weather moves into its dry and rainy season which begins in December. Thailand Weather in December sees the lowest number of tourists as the country braces for the onset of the Buddhist New Year, which is celebrated with much of ceremonies and rituals. Tourists visiting Thailand in December are advised to avoid the large crowds. Instead, they can enjoy some of the best temples in Phuket and take a walk in the numerous beaches of Phang-Nga Province. Thailand Weather in January While the monsoon ends, Thailand weather sees a sudden change in routine as the sun begins to rise over the nation. Thailand Weather in February The rainy season has ended and Thailand weather is starting to warm up. Thailand Weather in February sees a drop in the number of tourists as temperature increases. The high humidity levels come to an end with increasing temperatures, which cause higher temperatures. Thailand Weather in March When monsoons resume, Thailand weather sees a drastic change as the high humidity levels come to an end. As temperatures start to drop, Thailand Weather sees a significant increase in humidity levels. Thailand Weather in April, Thailand weather enjoys a turn as the monsoons resume. With higher humidity levels, the number of tourists visiting Thailand in April is drastically reduced. However, Thailand weather also sees a slight increase in temperature levels. Thailand Weather in May With the high monsoons, Thailand weather experiences a turn as the tourist influx dramatically reduces. Thailand Weather in June When monsoons resume, Thailand weather sees a slight increase in temperatures which sees the annual average temperature hit a high of 48 degrees. Thailand Weather in July When the monsoons are over, Thailand weather experiences a huge change in Thailand Weather. Thailand weather sees a huge change in Thailand Weather when monsoons are over. Thailand Weather sees a dramatic change in Thailand Weather when the monsoons are over. Thailand Weather also sees a drastic change in Thailand Weather when the monsoons are over. Thailand Weather also experiences a drastic change in Thailand Weather when the monsoons are over. Thailand Weather in the north central areas sees Thailand experience a festive climate during December, January, and February. This is the best time to visit northern Thailand for some of the most adventurous activities. From trekking in the mountains, white water rafting in the river, and elephant and camel rides on the white sand dunes. Some of the activities to do in northern Thailand are also available all year round, but the high season for tourists in northern Thailand is from December to February. In addition, northern Thailand is also a popular winter destination for backpackers and vacationers because it is not too hot nor too cold. Tourists can enjoy sunny beaches, sandy beaches, and mountainous trails. Thailand Weather in the southern part of Thailand is quite different from the climate found in northern Thailand. Southern Thailand Weather is generally humid in the days and humid in the nights. This is perfect for tourists who love Thailand and the outdoors! Visitors can enjoy sandy beaches, verdant hill towns, colorful rice terraces, and Buddhist temples. Thailand Weather in the North The climate of Thailand can be deceiving at times as it appears to get cooler during the summer and warmer in the winter. Koh Samui in Thailand is an island nation that has tropical weather with hot and humid summers and chilly and wet winters. Koh Samui experiences a warmer climate during January, February, and March than other months. Travelers coming to Thailand in the months of January, February, and March should avoid taking trips to Chiang Mai and Chiang Rai as these three destinations are most popular among tourists coming to Thailand in the months of January, February, and March.