7 day Weather Forecast
December 15, 2021 - December 21, 2021
Weather Forecast
During 16 - 17 Dec, the high pressure system cover upper Thailand will weaken cause morning light fog with increasing in temperature 1-3 C. Cool to cold weather are remain in the upper country. The rather strong northeast monsoon prevails across the gulf of Thailand and the Andaman Sea while an active low-pressure cell over the South China Sea will move pass Malaysia and the lower South of Thailand, cause more rain with isolated heavy rain in the South. Wave height 2-3 meters and above 3 meters are forecast for the lower gulf of Thailand. Wave height about 2 meters are forecast for the Andaman Sea. During 18 - 21 Dec, another high pressure system from China will extend to cover upper Thailand. Cool to cold weather in the upper country with strong winds. Decreasing in temperature 2-4 C are forecast in the North, the Northeast and the East regions and decreasing in temperature 1-3 C are forecast in the Central regions. The rather strong northeast monsoon prevails across the gulf of Thailand and Andaman Sea. Wave height about 2 meters and above 2 meters are forecast for the gulf of Thailand. Wave height about 1 meter is forecast for the Andaman Sea.
The tropical typhoon ?RAI? on the east of Philippines will move pass Philippines to the South China Sea on 18 Dec with no direct effect to Thailand.
Warning
During 16 - 17 Dec. people in the upper country should beware of poor visibility and people in the lower South should beware of heavy rains and its accumulation that may cause flash floods and overflows. All ships in the lower Gulf should proceed with caution and keep off thundershowers area. During 18 - 21 Dec. People in the upper country should take care of their health due to cool to cold weather.
Northern Part During 16 - 18 Dec, cool to cold with morning fog, 1-3 C increase in temperature.
Minimum temperature 14-21C. Maximum temperature 30-33 C.
Cold to very cold on the mountaintops: Minimum temperature 4-12 C.
During 19 - 21 Dec, cool to cold, 2-4 C decrease in temperature.
Minimum temperature 12-19C. Maximum temperature 28-31 C.
Cold to very cold on the mountaintops: Minimum temperature 2-10 C.
Northeasterly wind 10-15 km/hr.
Northeastern Part During 16 - 17 Dec, cool to cold and morning light fog, 1-3 C increase in temperature.
Minimum temperature 14-22 C. Maximum temperature 28-32 C.
Cold on the mountaintops: Minimum temperature 8-14 C. Northeasterly wind 10-25 km/hr.
During 18 ? 21 Dec, cool to cold with windy, 2-4 C decrease in temperature.
Minimum temperature 11-19 C. Maximum temperature 26-30 C.
Cold to very cold on the mountaintops: Minimum temperature 6-12 C. Northeasterly wind 15-30 km/hr.
Central Part During 16 - 17 Dec, morning cool with light fog, 1-2 C increase in temperature.
Minimum temperature 17-23 C. Maximum temperature 29-33 C. Northeasterly wind 10-20 km/hr.
During 18 ? 21 Dec, cool to cold with windy, 1-3 C decrease in temperature.
Minimum temperature 15-21 C. Maximum temperature 27-31 C. Northeasterly wind 10-25 km/hr.
Eastern Part During 16 - 17 Dec, morning cool with light fog, 1-3 C increase in temperature.
Minimum temperature 20-25 C. Maximum temperature 31-34 C
During 18 ? 21 Dec, cool with windy, 2-4 C decrease in temperature.
Minimum temperature 17-22 C. Maximum temperature 28-31 C.
Northeasterly winds 15-35 km/hr. Wave height are 1-2 meter and about 2 meters offshore
Southern Part (East Coast) During 15 ? 18 Dec, scattered thundershowers with isolated heavy rains in the lower part.
Surat Thani northward, northeasterly winds 20-35 km/hr.
Wave height about 2 meters and above 2 meters in thundershowers areas.
Nakhon Si Thammarat southward, northeasterly winds 20-40 km/hr.
Wave height 2-3 meters and above 3 meters in thundershowers areas.
During 19 - 21 Dec, isolated thundershowers.
Northeasterly winds 20-35 km/hr. Wave height about 2 meters and above 2 meters in thundershowers areas. Minimum temperature 19-26 C. Maximum temperature 29-33 C.
Southern Part (West Coast) During 15 and 19 - 21 Dec, isolated thundershowers.
Northeasterly winds 15-30 km/hr. Wave height about 1 meter and 1-2 meters offshore.
During 16 ? 18 Dec, scattered thundershowers with isolated heavy rains in the lower part.
Northeasterly winds 20-35 km/hr. Wave height about 2 meters and above 2 meters offshore.
Minimum temperature 20-25 C. Maximum temperature 30-34 C.
Metropolitan During 16 - 17 Dec, morning cool with light fog, 1-2 C increase in temperature.
Minimum temperature 21-24 C. Maximum temperature 30-34 C.
Northeasterly wind 10-20 km/hr.
During 18 ? 21 Dec, cool with windy, 1-3 C decrease in temperature.
Minimum temperature 19-23 C. Maximum temperature 29-33 C.
Northeasterly wind 10-25 km/hr.
Issued: December 15, 2021
Source: Thai Meteorological Department