Củ Chi tunnels

The Củ Chi tunnels in Ho Chi Minh City, Vietnam, are a tunnel network. It is one of the most looked-up sights in the country, ranking 3 out of 25 sights of the country on this site.
Planning a visit
The dry months from December to February feature lower rainfall, with totals between 6 mm and 33 mm and rain on 1 to 8 days per month, alongside daily highs of 30 °C to 33 °C and lows of 22 °C. The rainy season runs from May through October, bringing monthly rain between 207 mm and 325 mm across 20 to 26 days.
The nearest airport is Tan Son Nhat International Airport in Ho Chi Minh City, located 30 km away. From the capital Hanoi, the distance is 1110 km. Nearby sights include the War Remnants Museum at 36.2 km, Landmark 81 at 36.5 km, Notre-Dame Cathedral Basilica of Saigon at 36.5 km, and Independence Palace at 36.6 km.
Weather by month
The warmest month is April, with an average high of 34 °C. The wettest is September, with about 325 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 32 | 33 | 34 | 34 | 33 | 31 | 31 | 31 | 31 | 30 | 30 | 30 |
| Average low, °C | 22 | 22 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 22 |
| Rainfall, mm | 11 | 6 | 27 | 71 | 207 | 264 | 286 | 302 | 325 | 283 | 127 | 33 |
| Rainy days | 3 | 1 | 3 | 8 | 20 | 23 | 25 | 23 | 24 | 27 | 18 | 8 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.