Thailand
30 June 2025 - 6 July 2025The moderate monsoon trough lay across upper Myanmar and upper Laos toward a low-pressure cell over northern Vietnam on 1 Jul. It then intensified and shifted southward to lie across upper northern and upper northeastern Thailand toward low-pressure cells over Laos and upper Vietnam during 2-4 Jul. Furthermore, the low-pressure cell covered upper Laos at the end of the week. In addition, a moderate southwesterly monsoon prevailed over the Andaman Sea, Thailand, and the Gulf of Thailand throughout the week. These conditions resulted in continued rainfall over upper Thailand, especially with densely distributed rain in the northern and northeastern regions for most of the week, accompanied by flooding and landslide in some areas. In the southern region, rainfall was reported in several areas, mainly along the west coast.
Region Weather Summary
30 June 2025 - 6 July 2025Northern
Fairly widespread rain except for scattered rain on 1 and 4 Jul. Heavy rainfall was observed in some areas on 1, 2, 5 and 6 Jul., with very heavy rainfall in some areas on 5 Jul. Landslide occurred in Nan province on 3 Jul. Flooding was reported in Chiang Rai province on 5 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 119.5 mm at Chiang Rai Agromet. Stn., Mueang Chiang Rai, Chiang Rai on 5 Jul. |
Northeastern
Fairly widespread rain almost the week. Heavy rainfall was observed in some areas throughout the week, with very heavy rainfall in some areas on 1, 2, 4 and 5 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 160.0 mm at Tha Bo, Nong Khai on 1 Jul. |
Central
Scattered rain except for fairly widespread rain on 1, 2 and 5 Jul. Heavy rainfall was observed in some areas on 1 and 2 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 62.0 mm at Sub Lanka Forest Garden, Lam Sonthi, Lop Buri on 2 Jul. |
Eastern
Fairly widespread rain except for scattered rain on 30 Jun., 4 and 6 Jul. Heavy rainfall was observed in some areas in the first half of the week and 5 Jul., with very heavy rainfall in some areas on 2 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 210.5 mm at Khlung, Chanthaburi on 2 Jul. |
Southern (East Coast)
Scattered rain almost the week. Heavy rainfall was observed in some areas on 1, 2 and 5 Jul., with very heavy rainfall on 6 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 90.5 mm at Phato, Chumphon on 6 Jul. |
Southern (West Coast)
Fairly widespread rain except for isolated to scattered rain on 30 Jun., 3 and 4 Jul. Heavy rainfall was observed in some areas from 1-2 Jul. and at the end of the week, with very heavy rainfall in some areas on 1 Jul.
| Max Rain | Max. Temp. | Min. Temp. |
| 160.0 mm at Khura Buri, Phang-nga on 1 Jul. |
Bangkok Metropolitan
Fairly widespread rain in the first half of the week, with heavy rainfall in some areas on 1 Jul. then isolated rain.
| Max Rain | Max. Temp. | Min. Temp. |
| 60.1 mm at Wat Bang Bon School, Khet Bang Bon on 1 Jul. (79.5 mm at Nakhon Pathom Provincial Agricultural Extension Office, Mueang Nakhon Pathom, Nakhon Pathom on 1 Jul.) |
Announcement Date 07 July 2025 11:45
