Image:
Daily Weather Forecast
Announcement Date 01 January 2026
The moderated high-pressure system from China covering upper Thailand and the the South China Sea is weakening while the northwesterly wind at the high-altitude prevails over the upper Thailand. Morning cool to cold is forecast in the upper North and the upper Northeast regions while morning cool with light fog are likely in rest regions with dense fog in some areas of the North and the Central. People in the upper country should keep healthy due to cool to cold weather and beware of fire due to dry air. All transport take more caution with poor visibility. The weak northeast monsoon prevails over the lower Gulf and the lower South with isolated rains. The wind and waves in the lower Gulf are expected 1-2 meters high and above 2 meters high in thundershowers. People in the lower South should beware of thundershowers. All ships in the Gulf and Andaman Sea should proceed with caution and keep off thundershowers. In addition, During 2-6 Jan 2026, another moderate to rather strong high-pressure system from China will extend to upper Thailand and the South China Sea with a decrease in temperature and strong wind in the upper country. Cool to cold weather is forecast in the North and the Northeast while cool in the morning is forecast in the rest regions.
Announcement Date 01 January 2026
Northern
Morning cool to cold with fog and isolated dense fog. Minimum temperature 14-19 °C. Maximum temperature 29-33 °C. Cold to very cold with isolated frost on mountain tops : minimum temperatures of 5-15 °C. Northeasterly winds 10-15 km/hr.
Northeastern
Morning cool to cold with light fog. Minimum temperature 15-18 °C. Maximum temperature 30-32 °C. Cold on mountain tops : minimum temperatures of 8-12 °C. Northeasterly winds 10-20 km/hr.
Central
Morning cool with light fog and isolated dense fog.. Minimum temperature 18-21 °C. Maximum temperature 32-34 °C. Northeasterly winds 10-15 km/hr.
Eastern
Morning cool with light fog. Minimum temperature 18-23 °C. Maximum temperature 31-34 °C. Northeasterly winds 15-30 km/hr. Wave height about 1 meter.
Southern (East Coast)
Upper part : Morning cool and fog Lower part : Isolated thundershowers mostly in Phatthalung, Songkhla, Pattani, and Narathiwat. Minimum temperature 19-24 °C. Maximum temperature 30-33 °C. From Surat Thani upward : Northeasterly winds 15-30 km/hr. Wave height about 1 meter. From Nakhon Si Thammarat downward : Northeasterly winds 15-35 km/hr. Wave height 1-2 meters and about 2 meters in thundershower.
Southern (West Coast)
Isolated thundershowers mostly in Krabi, Trang, and Satun. Minimum temperature 22-25 °C Maximum temperature 32-33 °C. Northeasterly winds 15-30 km/hr. Wave height about 1 meter, above 1 meter offshore and about 2 meters in thundershower.
Bangkok Metropolitan
Morning cool with light fog. Minimum temperature 21-24 °C. Maximum temperature 32-34 °C. Northeasterly winds 10-15 km/hr.
Announcement Date 01 January 2026
