Phong Nha weather in March
March in Phong Nha: warm, a little rain, with very humid — a great time to visit.
#3 of 12 months in Phong Nha · #510 of 897 destinations to visit in March · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Phong Nha in March
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Phong Nha climate normals — March
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 12 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 73 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phong Nha in March — FAQ
- Is March a good time to visit Phong Nha?
- March in Phong Nha: warm, a little rain, with very humid — a great time to visit. It ranks #3 of 12 months for Phong Nha on SeasonMap's comfort score (75/100).
- What is the weather like in Phong Nha in March?
- In March, Phong Nha averages a daily high of 28.3°C and a low of 21.3°C, with about 71.2 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Phong Nha in March?
- Phong Nha has a mean US Air Quality Index of about 73 in March.