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Thailand's Cool Season Forecast to Arrive Later Than Usual

Meteorological authorities expect Thailand's annual cool season to begin later than typical this year, potentially delaying relief from the region's heat. The delayed onset reflects broader atmospheric patterns affecting Southeast Asia's seasonal weather cycles.

LSN Thailand · 4 November 2026

Thailand's meteorological department has indicated that the arrival of the cool season will be pushed back compared to historical averages, with cooler temperatures expected to reach the kingdom later than the traditional November timeline.

The delay in the seasonal transition is attributed to atmospheric conditions currently prevailing across Southeast Asia, which are affecting the typical progression of weather patterns that normally usher in cooler air from the northeast during the year's final months.

Residents and businesses across the country, particularly in Bangkok and the central plains, have grown accustomed to relief from elevated temperatures arriving in early November. This year's later start means extended exposure to higher heat and humidity levels during the transition period.

Meteorological officials advised the public to prepare for continued warm conditions and maintain precautions against heat-related illnesses in the interim. The delayed cool season also has implications for agriculture, tourism, and energy consumption patterns typical during Thailand's cooler months.

Authorities continue to monitor atmospheric developments and will provide updated forecasts as conditions evolve.