Thailand
11 April 2025 - 17 April 2025The moderate high-pressure area from China extended its ridge to cover the northeastern part and the South China Sea at the middle of the period and later weakened. The heat low-pressure cell covered upper Thailand at the end of the period. Meanwhile, the southwesterly and southerly winds prevailed over upper Thailand at the beginning and on the last day of the period with the blowing of the easterly and southeasterly winds over the mentioned areas on few days. These conditions caused hot weather in most areas over upper Thailand almost the entire period. Rainfall was reported in many places mainly in the northern, central and eastern regions with gusty wind in several areas. In the southern region, abundant rainfall was observed on the first day and in the second half of the period due to the westerly and northwesterly winds prevailing over the Andaman Sea, the southern part and the Gulf of Thailand in the first half and on the last day of the period while southeasterly winds blew over the Gulf of Thailand, the southern part and the Andaman Sea on the rest days.
Region Weather Summary
11 April 2025 - 17 April 2025Northern
Hot weather nearly the whole areas almost the entire period, except for on 13 and 14 Apr. the temperature dropped but still hot weather in several areas. Isolated to scattered rain almost the period, except for fairly widespread rain on 13-14 Apr. Heavy rainfall occurred in some areas on 11, 13, 15 and 16 Apr. and very heavy rainfall in some areas on 13 and 16 Apr. Gusty wind was reported in Tak and Lampang provinces on 16 Apr. and Chiang Rai province on 16-17 Apr. Flooding was reported in Sukhothai and Lamphun provinces on 13 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 148.4 mm at Wichian Buri Phetchabun on 16 Apr. | 39.5 º C at Mueang Phetchabun Phetchabun on 15 Apr. |
Northeastern
Hot weather in general almost the entire period, except for on 13 and 14 Apr. the temperature dropped but still hot weather in some areas. Isolated to scattered rain with heavy rainfall in some areas almost the period and very heavy rainfall in some areas on 16 Apr. Gusty wind was reported in Maha Sarakham, Udon Thani and Chaiyaphum provinces on 16 Apr., Loei province on 16-17 Apr. and Nong Bua Lam Phu province on 17 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 91.5 mm at Khaen Dong Buri Ram on 16 Apr. | 39.5 º C at Sakon Nakhon Agromet. Stn., Mueang Sakon Nakhon Sakon Nakhon on 16 Apr. |
Central
Hot weather nearly the whole areas almost the entire period, except for on 14 Apr. the temperature dropped but still hot weather in some areas. Scattered to fairly widespread rain, except for isolated rain on 12 and 14 Apr. with heavy rainfall in some areas almost the period. Gusty wind occurred in Nakhon Sawan and Uthai Thani provinces on 15 Apr. and Chai Nat province on 16 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 89.2 mm at Tak Fa Agromet. Stn., Tak Fa Nakhon Sawan on 16 Apr. | 39.1 º C at Chai Badan Lop Buri on 11 Apr. |
Eastern
Hot weather in several areas in the upper part almost the entire period. Isolated to scattered rain almost the period particularly fairly widespread rain from 14-16 Apr. with heavy rainfall in some areas almost the period and very heavy rainfall in some areas on 11 and 13 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 150.2 mm at Laem Sing Chanthaburi on 11 Apr. | 37.7 º C at Aranyaprathet Sa Kaeo on 13 Apr. |
Southern (East Coast)
Hot weather in several areas in the first half of the period. Scattered to fairly widespread rain on the first day and in the second half of the period while isolated rain on the rest days. Heavy to very heavy rainfall was observed in some areas mainly in the second half of the period.
| Max Rain | Max. Temp. | Min. Temp. |
| 107.7 mm at Mueang Nakhon Si Thammarat Nakhon Si Thammarat on 15 Apr. | 36.7 º C at Phrasaeng Surat Thani on 13 Apr. |
Southern (West Coast)
Hot weather in some areas. Isolated to scattered rain except for fairly widespread rain on 11, 15 and 16 Apr. with heavy rainfall in some areas almost the period. Flooding was reported in Phuket province on 16 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 66.4 mm at Khura Buri Phang-nga on 11 Apr. | 35.8 º C at Mueang Trang Trang on 14 Apr. |
Bangkok Metropolitan
Hot weather in most areas almost the entire period. Scattered rain on the first day and in the middle of the period and isolated rain on the rest days with heavy rainfall in some areas on 15 and 17 Apr. Gusty wind occurred in Pathum Thani province on 17 Apr.
| Max Rain | Max. Temp. | Min. Temp. |
| 56.0 mm at Triamudomsuksanomklao School Khet Saphan Sung on 15 Apr. (38.3 mm at Samut Prakan Agromet. Stn., Bang Phli Samut Prakan on 17 Apr.) | 37.0 º C at Bang Na Agromet. Stn. Khet Bang Na on 13 Apr. and at Khlong Toei Port Khet Khlong Toei on 13 Apr. (38.7 º C at Pathum Thani Agromet. Stn., Khlong Luang Pathum Thani on 17 Apr.) |
Announcement Date 18 April 2025 12:47