The high-pressure system over upper Thailand is weakening, raising the temperature by 1-3 degrees Celsius with possible morning fog, the Thailand Meteorological Department forecast on December 27.

Cool to cold weather continues in the North and the Northeast, while mountaintops remain cold to very cold with frost in some places.

People in upper Thailand should beware of poor visibility due to fog.

Meanwhile, the northeast monsoon prevails over the Gulf and the South with continuous rainfall and isolated heavy rain mostly in the lower part.

The weather forecast for the next 24 hours for different regions of the country:

North: Cool to cold with fog in the morning and 1-3C rise in temperature; minimum temperature 14-21C, maximum 30-34C; cold to very cold on mountaintops with frost in some places, minimum temperature 6-13C; northeasterly winds 10-20km/h.

Northeast: Cool with fog in the morning and 1-2C rise in temperature; minimum temperature 19-23C, maximum 31-33C; cool to cold on the mountaintop with minimum temperature 12-16C; northeasterly winds 10-20km/h.

Central: Cloudy with fog in the morning; minimum temperature 21-25C, maximum 32-34C; northeasterly winds 10-20km/h.

East: Cloudy with fog in the morning; isolated thundershowers mostly in Chonburi, Rayong, Chanthaburi and Trat provinces; minimum temperature 22-25C, maximum 32-34C; northeasterly winds 15-30km/h; waves about 1m high and 1-2m offshore.

South (east coast): Cloudy with scattered thundershowers and isolated heavy rain in Songkhla, Yala, Pattani and Narathiwat provinces; minimum temperature 23-25C, maximum 29-32C; northeasterly winds 15-35km/h; waves about 1-2m high and about 2m in thundershowers.

South (west coast): Cloudy with scattered thundershowers and isolated heavy rain in Krabi, Trang and Satun provinces; minimum temperature 22-25C, maximum 30-33C; northeasterly winds 15-30km/h; waves about 1m high and 1-2m offshore.

Bangkok and nearby areas: Cloudy with fog in the morning; minimum temperature 23-25C, maximum 33-34C; northeasterly winds 10-20km/h.

THE NATION (THAILAND)/ASIA NEWS NETWORK