April · Vietnam
Best time to visit Phong Nha in April Weather, crowds & prices
Weather in Phong Nha in April
Average temperature 26°C, 76 mm of rain, about 19 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
6.4/10
Ranked #4 of 12 months
- Avg temp
- 26°C
- Rainfall
- 76 mm
- Humidity
- 83%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Phong Nha scores 6.4/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 26°C, 76 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Phong Nha anchors the world's largest cave country with Son Doong expeditions and river cave boats. Best window: the drier months outside peak monsoon.
April in Phong Nha: mixed conditions, plan around the weather
Trail conditions at 26°C (78°F) favour early starts and shaded routes in April; midday is for water breaks, not for exposed climbs.
Budget for roughly 76 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.
That is 6.4/10 on the same scale — 4th of 12 months, versus 7.3/10 for the best month here.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Phong Nha in April?
- In April, Phong Nha averages 26°C, 76 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 6.4/10.
- Is April a good time to visit Phong Nha?
- April earns a 6.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Phong Nha in April?
- Expect about 76 mm of rain in April. Average humidity is 83% and there are about 19 days with 6+ hours of sunshine.
Curated in Phong Nha
Tickets & experiences
Things to do in Phong Nha
Phong Nha, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.