Bhumibol Dam
Bhumibol Dam is an arch dam and a hydroelectric and pumped-storage power station in Sam Ngao, Tak. It is one of the 36 most looked-up sights in Thailand on this site and ranks 27th among the country's sights for English Wikipedia lookups.
Planning a visit
The best time to visit is between December and February, when temperatures are lower and rainfall is minimal. In December, daily highs are around 27 °C and lows are 17 °C with about 2 rainy days. February sees highs of 33 °C and lows of 18 °C with about 2 rainy days. Conversely, the months of May through October are much wetter, with September seeing the most rain at 225 mm over about 25 days. The hottest months are March and April, with daily highs reaching 36 °C.
To reach the dam, you can fly into Mae Sot Airport, which is 76 km away, or use the hub at Chiang Mai International Airport, located 169 km from the site. The dam is 422 km from Bangkok.
Weather by month
The warmest month is April, with an average high of 36 °C. The wettest is September, with about 225 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 29 | 33 | 36 | 36 | 33 | 30 | 29 | 29 | 29 | 29 | 28 | 27 |
| Average low, °C | 17 | 18 | 20 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 20 | 17 |
| Rainfall, mm | 3 | 9 | 16 | 67 | 198 | 131 | 98 | 139 | 225 | 213 | 58 | 8 |
| Rainy days | 3 | 2 | 4 | 9 | 18 | 23 | 26 | 27 | 25 | 20 | 6 | 2 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
