Mount Phou Si
Mount Phou Si is a hill in Luang Prabang, Laos. It is one of the 11 most looked-up sights in the country and ranks 9th among Laos sights on English Wikipedia.
Planning a visit
The best time to visit is during the drier months from November to February, when daily highs are between 26 °C and 28 °C and rainfall is low. From May to September, the area is wetter with monthly rainfall reaching about 290 mm in August. Entry costs 20,000 kip, and children are free.
Luang Phabang International Airport is 4 km away. The hill is 219 km from Vientiane. Nearby sights include the Royal Palace, 0.2 km away, and Wat Xieng Thong, 1 km away. Other local attractions include the Pak Ou Caves and Kuang Si Falls.
Weather by month
The warmest month is April, with an average high of 33 °C. The wettest is August, with about 289 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 27 | 30 | 32 | 33 | 32 | 31 | 30 | 30 | 30 | 29 | 28 | 26 |
| Average low, °C | 16 | 18 | 20 | 23 | 24 | 24 | 24 | 24 | 23 | 21 | 18 | 15 |
| Rainfall, mm | 10 | 14 | 37 | 97 | 159 | 189 | 270 | 289 | 182 | 98 | 24 | 15 |
| Rainy days | 4 | 3 | 8 | 12 | 21 | 22 | 26 | 26 | 21 | 12 | 5 | 3 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
