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Weather & Climate

07/11/16 13:54 2003

The Thailand climate is controlled by tropical monsoons and the weather in Thailand is generally hot and humid across most of the country throughout most of the year.

While Thailand’s seasons are generally divided into the hot season, cool season, and rainy season, in reality it’s relatively hot most of the year. The weather in central, northern, and northeastern Thailand (the landlocked provinces) is determined by three seasons, whereas the southern, coastal regions of Thailand feature only two, making the weather in Thailand quite easy to understand and plan a trip around.

In Thailand’s inland provinces the seasons are clearly defined: Between November and May the weather is mostly dry and the cool season and hot season occur from November to February and March to May respectively.

The other inland season, the rainy season, lasts from May to November and is dominated by the southwest monsoon, during which time rainfall in most of Thailand is at its heaviest.   The southern, coastal region of Thailand really has only two seasons – rainy season and dry season. Fortunately, for those planning a beach holiday, Thailand’s two coasts have slightly different rainy seasons, allowing visitors to find sunny beaches nearly year round. On the Andaman or west coast, where Phuket, Krabi, and the Phi Phi Islands lie, the southwest monsoon brings heavy storms from April to October, while on the Gulf of Thailand or east coast, where Koh Samui, Koh Phangan, and Koh Tao lie, the most rain falls between September and December.

Best time to visit: 

The best time for travelling is November to February (cool season), although the southern islands are best from June to September.

Best time to visit Bangkok

the best time to visit Bangkok is between November and February during the dry season. During the rainy season between May and September, humidity is very high and the downpours are short but violent and the streets of Bangkok often flood. The hottest time of year is between March and May when the air-conditioning is on overdrive and the sweat pours from the pores.

Best time to visit Chiang Mai

The peak season for visiting Chiang Mai is December to January, the only time of year when daytime temperatures dip below 30°C (86°F). The cooler weather is a welcome change from the steamy monsoon months (June to October), and the lack of rain makes this the perfect time to venture out into the hills. However, many visitors plan their trip by the festival calendar, with the Chiang Mai Flower Festival in February and Inthakin in May amongst the most popular events.

Related

Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually sixteen public holidays in a year, but more may be declared by the cabinet. Other observances, both official and non-official, local and international, are observed to varying degrees throughout the country.
The currency of Thailand is the Thai Baht, American Express, MasterCard and Visa are widely accepted. ATMs are found in all major cities and almost all provincial banks.
Don’t become involved with drugs of any kind. Possession of even very small quantities can lead to imprisonment. If you are found guilty of being in possession of marijuana you could receive a long prison sentence and/or a heavy fine. If you’re found guilty of being in possession of 20 grams of a Class A drug at a point of exit from Thailand you risk receiving the death penalty. Amphetamines and ecstasy are regarded as Class A drugs and possession or trafficking carries the same penalty as heroin.
We continue to receive reports of the sexual assault, food and drink spiking, assault and robbery of foreigners, including around popular backpacker and tourist destinations such as Khao San Road in Bangkok, the night-time entertainment zones in Bangkok, Pattaya and Phuket, and during Full Moon and other parties on Koh Phangan.Due to the high prevalence of HIV/AIDS, victims of violent crime, especially rape, are strongly encouraged to seek immediate medical assistance.
The standard of medical facilities throughout Thailand varies. While private hospitals with international standard facilities can be found in major cities, services can be limited elsewhere. Private hospitals generally require confirmation of insurance or a guarantee of payment before admitting a patient. Costs can be very expensive. Generally, serious illnesses and accidents can be treated at private or public hospitals in Bangkok and other large cities. However, medical evacuation to a destination with the required facilities may be necessary in some cases at considerable cost.
Visas for Thailand are not required by all nationals referred to in the chart above for touristic stays of up to 30 days if entering via an international airport. If entering by land, you will usually be granted a stay of 15 days (apart from nationals of Canada, France, Germany, Italy, the UK and the USA, who will be granted a 30-day stay). All visitors must hold valid passports, sufficient funds and confirmed airline tickets to leave Thailand within the time allowed by their entry stamp.
Thailand's attractions include diving sites, sandy beaches, hundreds of tropical islands, nightlife, archaeological sites, museums, hill tribes, flora and bird life, palaces, Buddhist temples and several World Heritage sites