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Thailand transitions into winter season as Northeast cools significantly

Thailand officially enters its winter season on November 9, with the Northeast region expected to experience temperature drops of 3-5 degrees Celsius. The seasonal shift will bring cooler, more comfortable weather across much of the country.

LSN Thailand · 10 November 2026

Thailand's transition into the winter season will commence on November 9, marking the beginning of the cooler, drier months that characterize the country's most pleasant weather period. The Thailand Meteorological Department has forecast notable temperature decreases, particularly in the Northeastern region, which can expect cooling of between 3 and 5 degrees Celsius from current seasonal norms.

The winter season typically brings relief from the intense heat and humidity that dominate much of the year, with moderate temperatures and lower rainfall making it a favorable period for outdoor activities and travel. The Northeastern plateau, which includes provinces such as Khon Kaen, Udon Thani, and Nakhon Ratchasima, will see the most pronounced cooling effects.

While the Northeast experiences the most significant temperature decline, other regions across Thailand will also benefit from cooler conditions as the winter monsoon patterns establish themselves. The seasonal shift generally results in reduced humidity levels and more stable weather patterns, though localized variations may occur depending on altitude and proximity to water bodies.

The meteorological outlook suggests that the transition into winter will proceed as expected, with gradual cooling becoming more apparent through mid-November and into December. Residents and tourists are advised to prepare for the seasonal changes by adjusting clothing and activity schedules accordingly.