Weekly Weather Summary
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May 7, 2018 - May 13, 2018Max. Rainfall AmountMax. Temperature
Thailand
The southwesterly wind prevailed over the central, eastern and southern parts during the first half of the week after that the southeasterly wind prevailed over northeastern, eastern, central and southern parts. In addition, the westerly trough moved to cover the northern and upper northeastern parts during the second half of the week. Besides, the high pressure area from China extended its ridge to cover upper Thailand and the South China Sea during mid-week. These conditions caused rainfall in Thailand throughout the week however hot weather remained in upper Thailand mainly during first half of the week.    
Northern Part
Hot weather nearly the whole areas and very hot weather in some areas during the first half of the week after that temperature was decreased to hot weather in some areas. Isolated light rain during early week then scattered to fairly widespread rain with heavy rainfall in some areas. Gusty wind occurred at Tak, Phitsanulok and Lamphang provinces on 9 May and Phayao province on 12 May. 86.5 mm at Mueang Phayao on 12 May.  40.0 º C at Mueang Tak on 9 May. 
Northeastern Part
Hot weather nearly the whole areas almost the week. Isolated rain with heavy rainfall in some areas during early week then scattered to fairly widespread rain with heavy rainfall in some areas. Gusty wind occurred at Nong Bua Lamphu province on 8 May and at Nakhon Ratchasima, Maha Sarakham, Kalasin, Burirum and Si Saket provinces on 9 May and Udon Thani province on 12 May. 76.1 mm at Mueang Surin on 11 May.  38.8 º C at Mueang Surin on 10 May. 
Central Part
Hot weather in general nearly the whole week. Isolated rain except for fairly widespread rain with heavy rainfall in some areas on 10, 11 and 13 May. 76.3 mm at Mueang Uthai Thani on 10 May.  38.3 º C at Mueang Nakhon Sawan on 8 May. 
Eastern Part
Hot weather in the upper portion. Scattered rain with heavy to very heavy rainfall in some areas. 101.0 mm at Kang Hang Maew Chanthaburi on 11 May.  37.6 º C at Mueang Prachin Buri on 10 May. 
Southern Part (East Coast)
Hot weather in some areas. Isolated to scattered rain with heavy to very heavy rainfall in some areas. 105.2 mm at Thung Yai Nakhon Si Thammarat on 11 May.  36.5 º C at Chawang Nakhon Si Thammarat on 8 May. 
Southern Part (West Coast)
Hot weather in some areas nearly the whole week. Scattered to fairly widespread rain with heavy rainfall in some areas. 70.8 mm at Mueang Ranong on 10 May.  35.6 º C at Mueang Satun on 12 May. 
Metropolitan
Hot weather in several areas. Isolated to scattered rain with heavy rainfall in some areas except for fairly widespread to widespread rain with heavy rainfall in some areas on 7 and 11 May. 72.9 mm at Lat Krabang District Office Khet Lat Krabang on 7 May. 52.5 mm at Kamphaeng Saen Nakhon Pathom on 11 May.   36.0 º C at Bangkok Metropolis Khet Klong Toei on 9 May. (37.7 º C at Khlong Luang Pathum Thani on 9 May.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date May 14, 2018