Weekly Weather Summary
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January 17, 2022 - January 23, 2022Max. Rainfall AmountMax. Temperature
Thailand
The high pressure area covered the upper Thailand almost the week accompanied with the upper westerly wind prevailed over the northern and central parts on the last day of the week. These caused cool weather nearly the whole areas over the upper Thailand with cold weather in some areas particularly in the northern part which the temperature dropped until cold weather nearly the whole areas in the upper portion on the last day of the week. For the rainfall, under the influence of the westerly trough moved to cover the upper Thailand on the first day of the week and during 20-22 Jan. associated with the southeasterly wind prevailed over the upper Thailand almost the week and the southwesterly wind prevailed over the northern and central parts on 22 Jan. These conditions caused unusual rain occurred in the northern part throughout the week while rainfall was found in the rest parts during the second half of the week. In the southern part, due to the weak northeast monsoon which prevailed over the southern part throughout the week causing rainfall occurred in some areas mainly along the southern east coast.    
Northern Part
Generally cool weather with cold weather in some areas particularly on the last day of the week when the temperature dropped until cold weather nearly the whole areas of the upper portion. Cold to very cold weather in mountainous areas and mountain tops. Scattered to fairly widespread rain during the middle of the week while isolated rain during the beginning of the week and the weekend. Heavy rainfall reported in some areas on 19-20 and 22 Jan. Gusty wind occurred at Nan, Phayao and Lamphun provinces on 19-20 Jan. Hail occurred at Phayao province on 19 Jan. 63.9 mm at Chiang Kham Phayao on 20 Jan.  12.4 º C at Umphang Tak on 17 Jan. (4.1 º C at Doi Inthanon Chiang Mai on 23 Jan.)  
Northeastern Part
Generally cool weather with cold weather in some areas on 19-20 Jan. Cold weather in mountainous areas and mountain tops. Isolated rain during the first half of the week then scattered to fairly widespread rain. 30.0 mm at Bamnet Narong Chaiyaphum on 21 Jan.  13.2 º C at Nakhon Phanom Agromet. Stn. Nakhon Phanom on 20 Jan. (9.0 º C at Phu Luang Wildlife Sanctuary Loei on 18,19 Jan.)  
Central Part
Cool weather in general almost the week. Scattered to fairly widespread rain during the second half of the week with heavy rainfall in some areas. Gusty wind occurred at Chai Nat, Sing Buri and Ang Thong provinces on 21 Jan. 47.1 mm at Phaisali Nakhon Sawan on 22 Jan.  17.4 º C at Uthong Agromet. Stn. Suphan Buri on 18 Jan. 
Eastern Part
Cool weather nearly the whole areas almost the week. Fairly widespread rain with heavy rainfall in some areas on 20-22 Jan. Isolated rain on the last day of the week. 89.8 mm at Ban Khai Rayong on 20 Jan.  18.3 º C at Sanam Chai Khet Chachoengsao on 18 Jan. (13.1 º C at Khao Kheow, Mueang Nakhon Nayok on 19 Jan.)  
Southern Part (East Coast)
Cool weather nearly the whole areas almost the week. Isolated to scattered rain throughout the week with very heavy rainfall in some areas. 103.0 mm at Prom Kiri Nakhon Si Thammarat on 18 Jan.  18.7 º C at Nong Phlub Agromet. Stn., Hua Hin Prachuap Khiri Khan on 17 Jan. 
Southern Part (West Coast)
Cool weather in several areas almost the week. Isolated rain almost the week. 8.9 mm at Mueang Ranong on 21 Jan.  20.8 º C at Takua Pa Phang Nga on 18 Jan. 
Metropolitan
Cool weather in some areas. Scattered light rain on 20 Jan. and fairly widespread rain with heavy rainfall in some areas on 21-22 Jan. Landslide occurred at Samut Prakan province on 20 Jan. 71.7 mm at Triamudomsuksanomklao School Saphan Sung on 22 Jan. (13.9 mm at Samut Prakan Agromet. Stn. Samut Prakan on 21 Jan.)   22.5 º C at Bangkok Port Khet Khlong Toei on 22 Jan. (19.1 º C at Kamphaeng Saen Nakhon Pathom on 17 Jan.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date January 24, 2022