Thailand
08 June 2026 - 14 June 2026The moderate southwest monsoon prevailed over the Andaman Sea, Thailand and the Gulf of Thailand throughout the week. In addition, the monsoon trough lay across Myanmar, the upper northern region and upper Laos during 9-12 Jun., extending into the low-pressure cell over the upper Vietnam in the middle of the week. Moreover, the low-pressure cell covered upper Myanmar and upper Vietnam at the end of the week.These conditions caused plentiful rainfall over upper Thailand, mainly in the middle of the week. For the southern region, abundant rainfall was observed, particularly along the west coast.
Region Weather Summary
08 June 2026 - 14 June 2026Northern
Scattered to fairly widespread rain with heavy rainfall in some areas. Gusty wind was reported in Chiang Mai province on 12 Jun. Flash flooding was reported in Lamphun province on 14 Jun.
| Max Rain | Max. Temp. | Min. Temp. |
| 68.0 mm at Phitsanulok Rice Research Center, Wang Thong Phitsanulok on 10 Jun. |
Northeastern
Isolated to scattered rain except for fairly widespread rain on 10 and 11 Jun. Heavy rainfall occured in some areas almost the week and very heavy rainfall in some areas during 9-11 Jun. Gusty wind was reported in Surin province on 8 Jun.
| Max Rain | Max. Temp. | Min. Temp. |
| 150.0 mm at Sang Khom Udon Thani on 10 Jun. |
Central
Isolated to scattered rain at the beginning and the end of the week. Fairly widespread rain in the middle of the week. Heavy rainfall occurred in some areas almost the week.
| Max Rain | Max. Temp. | Min. Temp. |
| 85.0 mm at Lublungka Wildlife Sanctuary,Lam Sonthi Lop Buri on 8 Jun. |
Eastern
Scattered to fairly widespread rain except for isolated rain on 13 Jun. Heavy rainfall occurred in some areas almost the week and very heavy rainfall in some areas on 10, 11 and 14 Jun. Gusty wind was reported in Sa Kaeo province on 10 Jun.
| Max Rain | Max. Temp. | Min. Temp. |
| 140.8 mm at Phliu Agromet. Stn.,Khlung Chanthaburi on 14 Jun. |
Southern (East Coast)
Isolated to scattered rain with heavy rainfall in some areas at the middle and the end of the week and very heavy rainfall in some areas on 10 Jun. Flooding was reported in Surat Thani province on 11 Jun.
| Max Rain | Max. Temp. | Min. Temp. |
| 103.6 mm at Chawang Nakhon Si Thammarat on 10 Jun. |
Southern (West Coast)
Fairly widespread rain with heavy rainfall in some areas and very heavy rainfall in some areas on 10 Jun. except for scattered rain during 11-13 Jun. Flash flooding was reported in Trang province on 10 Jun. Krabi and Phang-nga provinces on 10 and 11 Jun.
| Max Rain | Max. Temp. | Min. Temp. |
| 114.4 mm at Mueang Ranong Ranong on 10 Jun. |
Bangkok Metropolitan
Scattered to fairly widespread rain almost the week with heavy rainfall in some areas.
| Max Rain | Max. Temp. | Min. Temp. |
| 63.3 mm at Wat Bang Bon School Khet Bang Bon on 12 Jun. (52.0 mm at Kamphaeng Saen Nakhon Pathom on 12 Jun.) |
Announcement Date 15 June 2026 10:54