Weekly Weather Summary
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January 17, 2020 - January 23, 2020Max. Rainfall AmountMax. Temperature
Thailand
The weak high pressure areas covered northeastern part during early period after that the another moderate high pressure area from China extended its ridge to cover the mentioned areas. In addition, the westerly trough moved through the northern part throughout the period causing generally cool weather in northern and northeastern parts with cold weather in upper portion of northern part while cool weather in several areas of the rest parts. The southeasterly wind prevailed over lower northern, central and eastern parts brought unseasonable rainfall over upper Thailand mainly during mid-period while southern Thailand received rainfall in some areas mainly along east coast caused by the easterly wind prevailed over the Gulf of Thailand and the southern part which strengthened during the first half of the period.    
Northern Part
Generally cool weather with cold weather in several areas mainly in upper portion. Cold to very cold weather in mountainous areas and mountain tops. Isolated rain on 19 and 23 Jan with heavy rainfall in some areas on 23 Jan. 37.2 mm at Sai Ngam Kamphaeng Phet on 23 Jan.  10.0 º C at Mae Sariang Mae Hong Son on 19 Jan. (1.2 º C at Kew Mae Pan Doi Inthanon Chiang Mai on 17 Jan.)  
Northeastern Part
Generally cool weather throughout the period. Cold weather in mountainous areas and mountain tops. 16.4 º C at Sakon Nakhon Agromet. Stn. Sakon Nakhon on 19 Jan. (10.0 º C at Phu Kradung National Park Loei on 22 Jan.)  
Central Part
Cool weather in several areas mainly in the upper portion. Isolated light rain on the 23 Jan. 2.0 mm at Banphot Phisai Nakhon Sawan on 23 Jan.  19.6 º C at Chai Badan Lop Buri on 19 Jan. 
Eastern Part
Cool weather in several areas almost the period. Isolated rain in the lower coastal areas during the mid-period and on the last day of the period. 26.5 mm at Rayong Agricultural Extension Office Rayong on 20 Jan.  21.0 º C at Mueang Sa Kaeo on 18 Jan. 
Southern Part (East Coast)
Cool weather in several areas. Isolated to scattered rain throughout the period with heavy rainfall in some areas on 19 Jan. 40.0 mm at Chai Buri Surat Thani on 19 Jan. at Waeng Narathiwat on 19 Jan.   19.6 º C at Phra Sang Surat Thani on 17 Jan. 
Southern Part (West Coast)
Cool weather in several areas mainly during early and late period. Isolated rain on 18–20 Jan and 23 Jan. 4.2 mm at Khao Chong Botanical Garden Trang on 20 Jan.  21.0 º C at Takua Pa Phang - nga on 17 Jan. at Mueang Ranong on 18 Jan.  
Metropolitan
Cool weather in some areas of Vicinity almost the period. Isolated light to moderate rain on 19 and 20 Jan. 18.4 mm at Watdan School Khet Yan Nawa on 19 Jan. (18.6 mm at Thetsaban 1 School Samut Prakan on 19 Jan.)   24.8 º C at Don Mueang Airport Khet Don Mueang on 17 Jan. (20.1 º C at Kamphaeng Saen Nakhon Pathom on 22 Jan.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date January 24, 2020