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Thailand Weather

Thailand Weather News – The latest news & forecasts from Thailand. Daily updates including articles, headlines, breaking stories and videos from our local reporters.


Thailand is defined as tropical and humid for most of the country during most of the year. The area of Thailand north of Bangkok has a 3 season climates, while the southern peninsular part of Thailand has only two seasons. The conditions are clearly defined in northern Thailand. The weather is mostly cold between November and May, but it is split up between November and February and March and May. Later in these two cycles, the relative temperatures are higher. Although the north-eastern monsoon does not directly affect the northern part of Thailand, it induces cooler breezes from November to February. The other northern season is from May to November and is driven by the southwestern monsoon, during which rainfall in the north is the highest. The southern part of Thailand really has only two seasons — wet and dry. Such seasons do not run at the same time on the east and west sides of the peninsula. On the west coast, the southwestern monsoon brings rain and often strong storms from April to October, while on the east coast, most rain falls between September and December. Overall, the southern parts of Thailand get the most rainfall, with around 2,400 millimeters of rain per year. This is relative to the central and northern areas of Thailand, both of which are around 1,400 millimeters.


Best time to visit Thailand – Weather


Generally speaking, the best time to visit Thailand is from November to February. This is when the northeast monsoon is blowing calm, dry air that can be used as heat relief. During this cool season, temperatures in Bangkok range from 18 to 32 degrees Celsius. While in northern to northeast Thailand, conditions can get quite chilly with morning temperatures as low as 8 to 12 degrees Celsius with an occasional 20 degree day. Nights can be especially cold and temperatures can drop below zero at high altitudes. The summer season, or hot and dry season, is from March to June. At this time, Bangkok temperatures are maximum about 34 degrees, but can often reach 40 degrees with a humidity level of 75%. Try to avoid April, unless you want to immerse yourself permanently in the ocean, because this is the hottest month in the world. From July to October is the monsoon season, when most of Thailand’s annual rainfall accumulates and the country can be struck by flooding. The average humidity is just under 90% and the temperatures are around 29 degrees Celsius in a very damp and humid Bangkok. The monsoon stops when the direction of the wind changes, bringing dry weather from the northeast. At best, this season can be characterized as erratic and not as consistent rainfall as you might expect. In the middle of this season, there may be heavy rains in the north of the country.

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