Hin Namno National Park
Laos UNESCO World Heritage Site
Hin Namno National Park is a protected area in Laos. It is a World Heritage Site and is also listed as a Tentative World Heritage Site.
Planning a visit
The best time to visit is between December and March, when daily highs are between 20 °C and 23 °C and rainfall is lowest. From April to October, the park is warmer with daily highs reaching 28 °C, but it is also the rainy season, with the most rain falling in August.
To reach the park, you can fly to Dong Hoi Airport in Vietnam, which is 70 km away, or Phu Bai International Airport, which is 222 km away. The park is 355 km from Vientiane. You can also combine a visit here with seeing Hang Sơn Đoòng, which is about 38 km away.
Weather by month
The warmest month is April, with an average high of 28 °C. The wettest is August, with about 421 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 20 | 23 | 26 | 28 | 27 | 27 | 26 | 26 | 26 | 24 | 22 | 20 |
| Average low, °C | 13 | 15 | 17 | 20 | 21 | 21 | 21 | 21 | 20 | 19 | 16 | 13 |
| Rainfall, mm | 20 | 35 | 43 | 90 | 219 | 264 | 306 | 421 | 403 | 341 | 93 | 34 |
| Rainy days | 9 | 6 | 10 | 11 | 19 | 19 | 24 | 25 | 24 | 22 | 15 | 10 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
