Winter in Thailand officially arrives when the lowest temperature remains under 23 degrees Celsius. The lowest average temperature would be 21-22 degrees Celsius, compared with 19.9 degrees Celsius on average. In the North and the Northeast, the lowest temperatures this winter will be 9-10 degrees Celsius. Meanwhile, it will be 17-18 degrees Celsius in Bangkok and 15-16 degrees Celsius in adjacent provinces. Cold weather and frost would be frequent on mountaintops and winter would end in late February, Mr Somkhuan said.

Source: Bangkok Post October 29, 2023 12:21 UTC